Home / 129,882.12-194,830.76-36,395.16

Finding the Fourth Proportional to 129,882.12, 194,830.76 and 36,395.16

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Solution

The fourth proportional to 129,882.12, 194,830.76 and 36,395.16 is: 54,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,882.12 : 194,830.76 = 36,395.16 : x
  2. Step 2: Convert to fraction form
    129,882.12/194,830.76 = 36,395.16/x
  3. Step 3: Cross multiply
    129,882.12x = 194,830.76 × 36,395.16
  4. Step 4: Simplify right side
    129,882.12x = 7,090,896,683.12
  5. Step 5: Solve for x
    x = 7,090,896,683.12/129,882.12
  6. Step 6: Final answer
    x = 54,594.86

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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.