Home / 136,500.38-204,766.98-129,035.42

Finding the Fourth Proportional to 136,500.38, 204,766.98 and 129,035.42

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Solution

The fourth proportional to 136,500.38, 204,766.98 and 129,035.42 is: 193,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,500.38 : 204,766.98 = 129,035.42 : x
  2. Step 2: Convert to fraction form
    136,500.38/204,766.98 = 129,035.42/x
  3. Step 3: Cross multiply
    136,500.38x = 204,766.98 × 129,035.42
  4. Step 4: Simplify right side
    136,500.38x = 26,422,192,621.25
  5. Step 5: Solve for x
    x = 26,422,192,621.25/136,500.38
  6. Step 6: Final answer
    x = 193,568.64

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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.