Home / 129,633.60-194,352.96-54,841.28

Finding the Fourth Proportional to 129,633.60, 194,352.96 and 54,841.28

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Solution

The fourth proportional to 129,633.60, 194,352.96 and 54,841.28 is: 82,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,633.60 : 194,352.96 = 54,841.28 : x
  2. Step 2: Convert to fraction form
    129,633.60/194,352.96 = 54,841.28/x
  3. Step 3: Cross multiply
    129,633.60x = 194,352.96 × 54,841.28
  4. Step 4: Simplify right side
    129,633.60x = 10,658,565,098.19
  5. Step 5: Solve for x
    x = 10,658,565,098.19/129,633.60
  6. Step 6: Final answer
    x = 82,220.70

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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.