Home / 151,447.12-227,310.52-76,619.92

Finding the Fourth Proportional to 151,447.12, 227,310.52 and 76,619.92

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Solution

The fourth proportional to 151,447.12, 227,310.52 and 76,619.92 is: 115,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,447.12 : 227,310.52 = 76,619.92 : x
  2. Step 2: Convert to fraction form
    151,447.12/227,310.52 = 76,619.92/x
  3. Step 3: Cross multiply
    151,447.12x = 227,310.52 × 76,619.92
  4. Step 4: Simplify right side
    151,447.12x = 17,416,513,857.56
  5. Step 5: Solve for x
    x = 17,416,513,857.56/151,447.12
  6. Step 6: Final answer
    x = 115,000.63

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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.