Home / 218,639.10-327,958.65-125,079.24

Finding the Fourth Proportional to 218,639.10, 327,958.65 and 125,079.24

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Solution

The fourth proportional to 218,639.10, 327,958.65 and 125,079.24 is: 187,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,639.10 : 327,958.65 = 125,079.24 : x
  2. Step 2: Convert to fraction form
    218,639.10/327,958.65 = 125,079.24/x
  3. Step 3: Cross multiply
    218,639.10x = 327,958.65 × 125,079.24
  4. Step 4: Simplify right side
    218,639.10x = 41,020,818,693.43
  5. Step 5: Solve for x
    x = 41,020,818,693.43/218,639.10
  6. Step 6: Final answer
    x = 187,618.86

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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.