Home / 129,901.68-194,864.94-36,407.16

Finding the Fourth Proportional to 129,901.68, 194,864.94 and 36,407.16

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Solution

The fourth proportional to 129,901.68, 194,864.94 and 36,407.16 is: 54,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,901.68 : 194,864.94 = 36,407.16 : x
  2. Step 2: Convert to fraction form
    129,901.68/194,864.94 = 36,407.16/x
  3. Step 3: Cross multiply
    129,901.68x = 194,864.94 × 36,407.16
  4. Step 4: Simplify right side
    129,901.68x = 7,094,479,048.97
  5. Step 5: Solve for x
    x = 7,094,479,048.97/129,901.68
  6. Step 6: Final answer
    x = 54,614.22

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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.