Home / 151,517.40-225,487.12-146,471.80

Finding the Fourth Proportional to 151,517.40, 225,487.12 and 146,471.80

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Solution

The fourth proportional to 151,517.40, 225,487.12 and 146,471.80 is: 217,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,517.40 : 225,487.12 = 146,471.80 : x
  2. Step 2: Convert to fraction form
    151,517.40/225,487.12 = 146,471.80/x
  3. Step 3: Cross multiply
    151,517.40x = 225,487.12 × 146,471.80
  4. Step 4: Simplify right side
    151,517.40x = 33,027,504,343.22
  5. Step 5: Solve for x
    x = 33,027,504,343.22/151,517.40
  6. Step 6: Final answer
    x = 217,978.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.