Home / 146,751.30-220,126.92-76,614.18

Finding the Fourth Proportional to 146,751.30, 220,126.92 and 76,614.18

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Solution

The fourth proportional to 146,751.30, 220,126.92 and 76,614.18 is: 114,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,751.30 : 220,126.92 = 76,614.18 : x
  2. Step 2: Convert to fraction form
    146,751.30/220,126.92 = 76,614.18/x
  3. Step 3: Cross multiply
    146,751.30x = 220,126.92 × 76,614.18
  4. Step 4: Simplify right side
    146,751.30x = 16,864,843,471.73
  5. Step 5: Solve for x
    x = 16,864,843,471.73/146,751.30
  6. Step 6: Final answer
    x = 114,921.25

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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.