Home / 138,188.28-207,280.09-62,244.58

Finding the Fourth Proportional to 138,188.28, 207,280.09 and 62,244.58

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Solution

The fourth proportional to 138,188.28, 207,280.09 and 62,244.58 is: 93,365.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,188.28 : 207,280.09 = 62,244.58 : x
  2. Step 2: Convert to fraction form
    138,188.28/207,280.09 = 62,244.58/x
  3. Step 3: Cross multiply
    138,188.28x = 207,280.09 × 62,244.58
  4. Step 4: Simplify right side
    138,188.28x = 12,902,061,334.63
  5. Step 5: Solve for x
    x = 12,902,061,334.63/138,188.28
  6. Step 6: Final answer
    x = 93,365.82

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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.