Home / 220,957.61-331,179.30-126,254.16

Finding the Fourth Proportional to 220,957.61, 331,179.30 and 126,254.16

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Solution

The fourth proportional to 220,957.61, 331,179.30 and 126,254.16 is: 189,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,957.61 : 331,179.30 = 126,254.16 : x
  2. Step 2: Convert to fraction form
    220,957.61/331,179.30 = 126,254.16/x
  3. Step 3: Cross multiply
    220,957.61x = 331,179.30 × 126,254.16
  4. Step 4: Simplify right side
    220,957.61x = 41,812,764,330.89
  5. Step 5: Solve for x
    x = 41,812,764,330.89/220,957.61
  6. Step 6: Final answer
    x = 189,234.33

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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.