Home / 137,404.02-206,135.42-42,632.16

Finding the Fourth Proportional to 137,404.02, 206,135.42 and 42,632.16

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Solution

The fourth proportional to 137,404.02, 206,135.42 and 42,632.16 is: 63,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,404.02 : 206,135.42 = 42,632.16 : x
  2. Step 2: Convert to fraction form
    137,404.02/206,135.42 = 42,632.16/x
  3. Step 3: Cross multiply
    137,404.02x = 206,135.42 × 42,632.16
  4. Step 4: Simplify right side
    137,404.02x = 8,787,998,207.11
  5. Step 5: Solve for x
    x = 8,787,998,207.11/137,404.02
  6. Step 6: Final answer
    x = 63,957.36

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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.