Home / 102,770.52-141,846.20-62,475.75

Finding the Fourth Proportional to 102,770.52, 141,846.20 and 62,475.75

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Solution

The fourth proportional to 102,770.52, 141,846.20 and 62,475.75 is: 86,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,770.52 : 141,846.20 = 62,475.75 : x
  2. Step 2: Convert to fraction form
    102,770.52/141,846.20 = 62,475.75/x
  3. Step 3: Cross multiply
    102,770.52x = 141,846.20 × 62,475.75
  4. Step 4: Simplify right side
    102,770.52x = 8,861,947,417.27
  5. Step 5: Solve for x
    x = 8,861,947,417.27/102,770.52
  6. Step 6: Final answer
    x = 86,230.44

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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.