Home / 118,248.20-177,577.10-83,432.20

Finding the Fourth Proportional to 118,248.20, 177,577.10 and 83,432.20

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Solution

The fourth proportional to 118,248.20, 177,577.10 and 83,432.20 is: 125,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,248.20 : 177,577.10 = 83,432.20 : x
  2. Step 2: Convert to fraction form
    118,248.20/177,577.10 = 83,432.20/x
  3. Step 3: Cross multiply
    118,248.20x = 177,577.10 × 83,432.20
  4. Step 4: Simplify right side
    118,248.20x = 14,815,648,122.62
  5. Step 5: Solve for x
    x = 14,815,648,122.62/118,248.20
  6. Step 6: Final answer
    x = 125,292.80

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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.