Home / 136,177.20-204,200.19-47,428.74

Finding the Fourth Proportional to 136,177.20, 204,200.19 and 47,428.74

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Solution

The fourth proportional to 136,177.20, 204,200.19 and 47,428.74 is: 71,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,177.20 : 204,200.19 = 47,428.74 : x
  2. Step 2: Convert to fraction form
    136,177.20/204,200.19 = 47,428.74/x
  3. Step 3: Cross multiply
    136,177.20x = 204,200.19 × 47,428.74
  4. Step 4: Simplify right side
    136,177.20x = 9,684,957,719.46
  5. Step 5: Solve for x
    x = 9,684,957,719.46/136,177.20
  6. Step 6: Final answer
    x = 71,120.26

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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.