Home / 129,864.30-194,805.10-45,614.22

Finding the Fourth Proportional to 129,864.30, 194,805.10 and 45,614.22

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Solution

The fourth proportional to 129,864.30, 194,805.10 and 45,614.22 is: 68,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,864.30 : 194,805.10 = 45,614.22 : x
  2. Step 2: Convert to fraction form
    129,864.30/194,805.10 = 45,614.22/x
  3. Step 3: Cross multiply
    129,864.30x = 194,805.10 × 45,614.22
  4. Step 4: Simplify right side
    129,864.30x = 8,885,882,688.52
  5. Step 5: Solve for x
    x = 8,885,882,688.52/129,864.30
  6. Step 6: Final answer
    x = 68,424.37

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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.