Home / 129,770.11-194,651.06-54,869.92

Finding the Fourth Proportional to 129,770.11, 194,651.06 and 54,869.92

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Solution

The fourth proportional to 129,770.11, 194,651.06 and 54,869.92 is: 82,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,770.11 : 194,651.06 = 54,869.92 : x
  2. Step 2: Convert to fraction form
    129,770.11/194,651.06 = 54,869.92/x
  3. Step 3: Cross multiply
    129,770.11x = 194,651.06 × 54,869.92
  4. Step 4: Simplify right side
    129,770.11x = 10,680,488,090.12
  5. Step 5: Solve for x
    x = 10,680,488,090.12/129,770.11
  6. Step 6: Final answer
    x = 82,303.14

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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.