Home / 756,072.80-1,134,109.20-195,107.30

Finding the Fourth Proportional to 756,072.80, 1,134,109.20 and 195,107.30

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Solution

The fourth proportional to 756,072.80, 1,134,109.20 and 195,107.30 is: 292,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,072.80 : 1,134,109.20 = 195,107.30 : x
  2. Step 2: Convert to fraction form
    756,072.80/1,134,109.20 = 195,107.30/x
  3. Step 3: Cross multiply
    756,072.80x = 1,134,109.20 × 195,107.30
  4. Step 4: Simplify right side
    756,072.80x = 221,272,983,917.16
  5. Step 5: Solve for x
    x = 221,272,983,917.16/756,072.80
  6. Step 6: Final answer
    x = 292,660.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.