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Finding the Fourth Proportional to 80,095.48, 120,192.63 and 40,680.88

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Solution

The fourth proportional to 80,095.48, 120,192.63 and 40,680.88 is: 61,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,095.48 : 120,192.63 = 40,680.88 : x
  2. Step 2: Convert to fraction form
    80,095.48/120,192.63 = 40,680.88/x
  3. Step 3: Cross multiply
    80,095.48x = 120,192.63 × 40,680.88
  4. Step 4: Simplify right side
    80,095.48x = 4,889,541,957.91
  5. Step 5: Solve for x
    x = 4,889,541,957.91/80,095.48
  6. Step 6: Final answer
    x = 61,046.42

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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.