Home / 129,884.16-194,833.76-36,397.20

Finding the Fourth Proportional to 129,884.16, 194,833.76 and 36,397.20

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Solution

The fourth proportional to 129,884.16, 194,833.76 and 36,397.20 is: 54,597.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,884.16 : 194,833.76 = 36,397.20 : x
  2. Step 2: Convert to fraction form
    129,884.16/194,833.76 = 36,397.20/x
  3. Step 3: Cross multiply
    129,884.16x = 194,833.76 × 36,397.20
  4. Step 4: Simplify right side
    129,884.16x = 7,091,403,329.47
  5. Step 5: Solve for x
    x = 7,091,403,329.47/129,884.16
  6. Step 6: Final answer
    x = 54,597.91

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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.