Home / 252,132.40-378,125.70-92,189.80

Finding the Fourth Proportional to 252,132.40, 378,125.70 and 92,189.80

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Solution

The fourth proportional to 252,132.40, 378,125.70 and 92,189.80 is: 138,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,132.40 : 378,125.70 = 92,189.80 : x
  2. Step 2: Convert to fraction form
    252,132.40/378,125.70 = 92,189.80/x
  3. Step 3: Cross multiply
    252,132.40x = 378,125.70 × 92,189.80
  4. Step 4: Simplify right side
    252,132.40x = 34,859,332,657.86
  5. Step 5: Solve for x
    x = 34,859,332,657.86/252,132.40
  6. Step 6: Final answer
    x = 138,258.04

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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.