Home / 141,301.20-211,951.80-85,204.65

Finding the Fourth Proportional to 141,301.20, 211,951.80 and 85,204.65

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Solution

The fourth proportional to 141,301.20, 211,951.80 and 85,204.65 is: 127,806.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,301.20 : 211,951.80 = 85,204.65 : x
  2. Step 2: Convert to fraction form
    141,301.20/211,951.80 = 85,204.65/x
  3. Step 3: Cross multiply
    141,301.20x = 211,951.80 × 85,204.65
  4. Step 4: Simplify right side
    141,301.20x = 18,059,278,935.87
  5. Step 5: Solve for x
    x = 18,059,278,935.87/141,301.20
  6. Step 6: Final answer
    x = 127,806.98

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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.