Home / 146,979.18-220,445.16-40,338.24

Finding the Fourth Proportional to 146,979.18, 220,445.16 and 40,338.24

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Solution

The fourth proportional to 146,979.18, 220,445.16 and 40,338.24 is: 60,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,979.18 : 220,445.16 = 40,338.24 : x
  2. Step 2: Convert to fraction form
    146,979.18/220,445.16 = 40,338.24/x
  3. Step 3: Cross multiply
    146,979.18x = 220,445.16 × 40,338.24
  4. Step 4: Simplify right side
    146,979.18x = 8,892,369,770.92
  5. Step 5: Solve for x
    x = 8,892,369,770.92/146,979.18
  6. Step 6: Final answer
    x = 60,500.88

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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.