Home / 113,818.10-170,727.15-54,623.30

Finding the Fourth Proportional to 113,818.10, 170,727.15 and 54,623.30

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Solution

The fourth proportional to 113,818.10, 170,727.15 and 54,623.30 is: 81,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.10 : 170,727.15 = 54,623.30 : x
  2. Step 2: Convert to fraction form
    113,818.10/170,727.15 = 54,623.30/x
  3. Step 3: Cross multiply
    113,818.10x = 170,727.15 × 54,623.30
  4. Step 4: Simplify right side
    113,818.10x = 9,325,680,332.60
  5. Step 5: Solve for x
    x = 9,325,680,332.60/113,818.10
  6. Step 6: Final answer
    x = 81,934.95

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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.