Home / 144,046.20-198,793.80-80,385.08

Finding the Fourth Proportional to 144,046.20, 198,793.80 and 80,385.08

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Solution

The fourth proportional to 144,046.20, 198,793.80 and 80,385.08 is: 110,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,046.20 : 198,793.80 = 80,385.08 : x
  2. Step 2: Convert to fraction form
    144,046.20/198,793.80 = 80,385.08/x
  3. Step 3: Cross multiply
    144,046.20x = 198,793.80 × 80,385.08
  4. Step 4: Simplify right side
    144,046.20x = 15,980,055,516.50
  5. Step 5: Solve for x
    x = 15,980,055,516.50/144,046.20
  6. Step 6: Final answer
    x = 110,937.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.