Home / 129,550.43-194,332.60-40,810.88

Finding the Fourth Proportional to 129,550.43, 194,332.60 and 40,810.88

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Solution

The fourth proportional to 129,550.43, 194,332.60 and 40,810.88 is: 61,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,550.43 : 194,332.60 = 40,810.88 : x
  2. Step 2: Convert to fraction form
    129,550.43/194,332.60 = 40,810.88/x
  3. Step 3: Cross multiply
    129,550.43x = 194,332.60 × 40,810.88
  4. Step 4: Simplify right side
    129,550.43x = 7,930,884,418.69
  5. Step 5: Solve for x
    x = 7,930,884,418.69/129,550.43
  6. Step 6: Final answer
    x = 61,218.51

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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.