Home / 138,184.06-207,276.10-49,432.18

Finding the Fourth Proportional to 138,184.06, 207,276.10 and 49,432.18

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Solution

The fourth proportional to 138,184.06, 207,276.10 and 49,432.18 is: 74,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,184.06 : 207,276.10 = 49,432.18 : x
  2. Step 2: Convert to fraction form
    138,184.06/207,276.10 = 49,432.18/x
  3. Step 3: Cross multiply
    138,184.06x = 207,276.10 × 49,432.18
  4. Step 4: Simplify right side
    138,184.06x = 10,246,109,484.90
  5. Step 5: Solve for x
    x = 10,246,109,484.90/138,184.06
  6. Step 6: Final answer
    x = 74,148.27

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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.