Home / 138,035.30-207,052.97-49,277.25

Finding the Fourth Proportional to 138,035.30, 207,052.97 and 49,277.25

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Solution

The fourth proportional to 138,035.30, 207,052.97 and 49,277.25 is: 73,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,035.30 : 207,052.97 = 49,277.25 : x
  2. Step 2: Convert to fraction form
    138,035.30/207,052.97 = 49,277.25/x
  3. Step 3: Cross multiply
    138,035.30x = 207,052.97 × 49,277.25
  4. Step 4: Simplify right side
    138,035.30x = 10,203,000,719.55
  5. Step 5: Solve for x
    x = 10,203,000,719.55/138,035.30
  6. Step 6: Final answer
    x = 73,915.88

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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.