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Finding the Fourth Proportional to 134,691.60, 202,037.40 and 87,452.40

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Solution

The fourth proportional to 134,691.60, 202,037.40 and 87,452.40 is: 131,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,691.60 : 202,037.40 = 87,452.40 : x
  2. Step 2: Convert to fraction form
    134,691.60/202,037.40 = 87,452.40/x
  3. Step 3: Cross multiply
    134,691.60x = 202,037.40 × 87,452.40
  4. Step 4: Simplify right side
    134,691.60x = 17,668,655,519.76
  5. Step 5: Solve for x
    x = 17,668,655,519.76/134,691.60
  6. Step 6: Final answer
    x = 131,178.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.