Home / 140,015.20-193,221.30-79,586.23

Finding the Fourth Proportional to 140,015.20, 193,221.30 and 79,586.23

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Solution

The fourth proportional to 140,015.20, 193,221.30 and 79,586.23 is: 109,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,015.20 : 193,221.30 = 79,586.23 : x
  2. Step 2: Convert to fraction form
    140,015.20/193,221.30 = 79,586.23/x
  3. Step 3: Cross multiply
    140,015.20x = 193,221.30 × 79,586.23
  4. Step 4: Simplify right side
    140,015.20x = 15,377,754,822.70
  5. Step 5: Solve for x
    x = 15,377,754,822.70/140,015.20
  6. Step 6: Final answer
    x = 109,829.18

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