Home / 104,793.03-144,294.12-78,989.04

Finding the Fourth Proportional to 104,793.03, 144,294.12 and 78,989.04

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Solution

The fourth proportional to 104,793.03, 144,294.12 and 78,989.04 is: 108,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,793.03 : 144,294.12 = 78,989.04 : x
  2. Step 2: Convert to fraction form
    104,793.03/144,294.12 = 78,989.04/x
  3. Step 3: Cross multiply
    104,793.03x = 144,294.12 × 78,989.04
  4. Step 4: Simplify right side
    104,793.03x = 11,397,654,016.44
  5. Step 5: Solve for x
    x = 11,397,654,016.44/104,793.03
  6. Step 6: Final answer
    x = 108,763.47

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1.5x scale

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.