Home / 215,329.13-297,151.29-119,835.80

Finding the Fourth Proportional to 215,329.13, 297,151.29 and 119,835.80

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Solution

The fourth proportional to 215,329.13, 297,151.29 and 119,835.80 is: 165,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,329.13 : 297,151.29 = 119,835.80 : x
  2. Step 2: Convert to fraction form
    215,329.13/297,151.29 = 119,835.80/x
  3. Step 3: Cross multiply
    215,329.13x = 297,151.29 × 119,835.80
  4. Step 4: Simplify right side
    215,329.13x = 35,609,361,072.43
  5. Step 5: Solve for x
    x = 35,609,361,072.43/215,329.13
  6. Step 6: Final answer
    x = 165,371.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.