Home / 129,348.82-193,974.72-45,087.31

Finding the Fourth Proportional to 129,348.82, 193,974.72 and 45,087.31

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Solution

The fourth proportional to 129,348.82, 193,974.72 and 45,087.31 is: 67,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,348.82 : 193,974.72 = 45,087.31 : x
  2. Step 2: Convert to fraction form
    129,348.82/193,974.72 = 45,087.31/x
  3. Step 3: Cross multiply
    129,348.82x = 193,974.72 × 45,087.31
  4. Step 4: Simplify right side
    129,348.82x = 8,745,798,332.80
  5. Step 5: Solve for x
    x = 8,745,798,332.80/129,348.82
  6. Step 6: Final answer
    x = 67,614.06

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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.