Home / 351,591.83-527,175.12-138,104.18

Finding the Fourth Proportional to 351,591.83, 527,175.12 and 138,104.18

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Solution

The fourth proportional to 351,591.83, 527,175.12 and 138,104.18 is: 207,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,591.83 : 527,175.12 = 138,104.18 : x
  2. Step 2: Convert to fraction form
    351,591.83/527,175.12 = 138,104.18/x
  3. Step 3: Cross multiply
    351,591.83x = 527,175.12 × 138,104.18
  4. Step 4: Simplify right side
    351,591.83x = 72,805,087,664.00
  5. Step 5: Solve for x
    x = 72,805,087,664.00/351,591.83
  6. Step 6: Final answer
    x = 207,072.75

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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.