Home / 204,937.38-307,434.83-71,787.15

Finding the Fourth Proportional to 204,937.38, 307,434.83 and 71,787.15

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Solution

The fourth proportional to 204,937.38, 307,434.83 and 71,787.15 is: 107,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,937.38 : 307,434.83 = 71,787.15 : x
  2. Step 2: Convert to fraction form
    204,937.38/307,434.83 = 71,787.15/x
  3. Step 3: Cross multiply
    204,937.38x = 307,434.83 × 71,787.15
  4. Step 4: Simplify right side
    204,937.38x = 22,069,869,897.50
  5. Step 5: Solve for x
    x = 22,069,869,897.50/204,937.38
  6. Step 6: Final answer
    x = 107,690.80

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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.