Home / 104,452.12-144,046.02-80,540.92

Finding the Fourth Proportional to 104,452.12, 144,046.02 and 80,540.92

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Solution

The fourth proportional to 104,452.12, 144,046.02 and 80,540.92 is: 111,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,452.12 : 144,046.02 = 80,540.92 : x
  2. Step 2: Convert to fraction form
    104,452.12/144,046.02 = 80,540.92/x
  3. Step 3: Cross multiply
    104,452.12x = 144,046.02 × 80,540.92
  4. Step 4: Simplify right side
    104,452.12x = 11,601,598,973.14
  5. Step 5: Solve for x
    x = 11,601,598,973.14/104,452.12
  6. Step 6: Final answer
    x = 111,070.98

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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.