Home / 129,008.69-193,506.11-40,252.02

Finding the Fourth Proportional to 129,008.69, 193,506.11 and 40,252.02

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Solution

The fourth proportional to 129,008.69, 193,506.11 and 40,252.02 is: 60,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,008.69 : 193,506.11 = 40,252.02 : x
  2. Step 2: Convert to fraction form
    129,008.69/193,506.11 = 40,252.02/x
  3. Step 3: Cross multiply
    129,008.69x = 193,506.11 × 40,252.02
  4. Step 4: Simplify right side
    129,008.69x = 7,789,011,608.58
  5. Step 5: Solve for x
    x = 7,789,011,608.58/129,008.69
  6. Step 6: Final answer
    x = 60,375.87

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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.