Home / 220,861.80-331,345.60-71,116.14

Finding the Fourth Proportional to 220,861.80, 331,345.60 and 71,116.14

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Solution

The fourth proportional to 220,861.80, 331,345.60 and 71,116.14 is: 106,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,861.80 : 331,345.60 = 71,116.14 : x
  2. Step 2: Convert to fraction form
    220,861.80/331,345.60 = 71,116.14/x
  3. Step 3: Cross multiply
    220,861.80x = 331,345.60 × 71,116.14
  4. Step 4: Simplify right side
    220,861.80x = 23,564,020,077.98
  5. Step 5: Solve for x
    x = 23,564,020,077.98/220,861.80
  6. Step 6: Final answer
    x = 106,691.24

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1.5x scale

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.