Home / 151,542.78-227,454.36-76,715.46

Finding the Fourth Proportional to 151,542.78, 227,454.36 and 76,715.46

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Solution

The fourth proportional to 151,542.78, 227,454.36 and 76,715.46 is: 115,144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,542.78 : 227,454.36 = 76,715.46 : x
  2. Step 2: Convert to fraction form
    151,542.78/227,454.36 = 76,715.46/x
  3. Step 3: Cross multiply
    151,542.78x = 227,454.36 × 76,715.46
  4. Step 4: Simplify right side
    151,542.78x = 17,449,265,856.41
  5. Step 5: Solve for x
    x = 17,449,265,856.41/151,542.78
  6. Step 6: Final answer
    x = 115,144.16

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1.5x scale

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.