Home / 132,538.32-198,764.55-43,770.42

Finding the Fourth Proportional to 132,538.32, 198,764.55 and 43,770.42

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Solution

The fourth proportional to 132,538.32, 198,764.55 and 43,770.42 is: 65,641.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,538.32 : 198,764.55 = 43,770.42 : x
  2. Step 2: Convert to fraction form
    132,538.32/198,764.55 = 43,770.42/x
  3. Step 3: Cross multiply
    132,538.32x = 198,764.55 × 43,770.42
  4. Step 4: Simplify right side
    132,538.32x = 8,700,007,834.61
  5. Step 5: Solve for x
    x = 8,700,007,834.61/132,538.32
  6. Step 6: Final answer
    x = 65,641.45

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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.