Home / 146,952.30-220,136.85-80,294.70

Finding the Fourth Proportional to 146,952.30, 220,136.85 and 80,294.70

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Solution

The fourth proportional to 146,952.30, 220,136.85 and 80,294.70 is: 120,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,952.30 : 220,136.85 = 80,294.70 : x
  2. Step 2: Convert to fraction form
    146,952.30/220,136.85 = 80,294.70/x
  3. Step 3: Cross multiply
    146,952.30x = 220,136.85 × 80,294.70
  4. Step 4: Simplify right side
    146,952.30x = 17,675,822,329.70
  5. Step 5: Solve for x
    x = 17,675,822,329.70/146,952.30
  6. Step 6: Final answer
    x = 120,282.72

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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.