Home / 146,818.80-220,301.10-83,687.40

Finding the Fourth Proportional to 146,818.80, 220,301.10 and 83,687.40

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Solution

The fourth proportional to 146,818.80, 220,301.10 and 83,687.40 is: 125,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,818.80 : 220,301.10 = 83,687.40 : x
  2. Step 2: Convert to fraction form
    146,818.80/220,301.10 = 83,687.40/x
  3. Step 3: Cross multiply
    146,818.80x = 220,301.10 × 83,687.40
  4. Step 4: Simplify right side
    146,818.80x = 18,436,426,276.14
  5. Step 5: Solve for x
    x = 18,436,426,276.14/146,818.80
  6. Step 6: Final answer
    x = 125,572.65

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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.