Home / 102,471.60-141,421.68-60,065.76

Finding the Fourth Proportional to 102,471.60, 141,421.68 and 60,065.76

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Solution

The fourth proportional to 102,471.60, 141,421.68 and 60,065.76 is: 82,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,471.60 : 141,421.68 = 60,065.76 : x
  2. Step 2: Convert to fraction form
    102,471.60/141,421.68 = 60,065.76/x
  3. Step 3: Cross multiply
    102,471.60x = 141,421.68 × 60,065.76
  4. Step 4: Simplify right side
    102,471.60x = 8,494,600,689.68
  5. Step 5: Solve for x
    x = 8,494,600,689.68/102,471.60
  6. Step 6: Final answer
    x = 82,897.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.