Home / 151,512.57-227,335.81-79,448.28

Finding the Fourth Proportional to 151,512.57, 227,335.81 and 79,448.28

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Solution

The fourth proportional to 151,512.57, 227,335.81 and 79,448.28 is: 119,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,512.57 : 227,335.81 = 79,448.28 : x
  2. Step 2: Convert to fraction form
    151,512.57/227,335.81 = 79,448.28/x
  3. Step 3: Cross multiply
    151,512.57x = 227,335.81 × 79,448.28
  4. Step 4: Simplify right side
    151,512.57x = 18,061,439,086.91
  5. Step 5: Solve for x
    x = 18,061,439,086.91/151,512.57
  6. Step 6: Final answer
    x = 119,207.53

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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.