Home / 220,127.20-330,079.92-107,815.84

Finding the Fourth Proportional to 220,127.20, 330,079.92 and 107,815.84

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Solution

The fourth proportional to 220,127.20, 330,079.92 and 107,815.84 is: 161,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,127.20 : 330,079.92 = 107,815.84 : x
  2. Step 2: Convert to fraction form
    220,127.20/330,079.92 = 107,815.84/x
  3. Step 3: Cross multiply
    220,127.20x = 330,079.92 × 107,815.84
  4. Step 4: Simplify right side
    220,127.20x = 35,587,843,841.93
  5. Step 5: Solve for x
    x = 35,587,843,841.93/220,127.20
  6. Step 6: Final answer
    x = 161,669.45

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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.