Home / 218,464.32-327,171.60-124,685.76

Finding the Fourth Proportional to 218,464.32, 327,171.60 and 124,685.76

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Solution

The fourth proportional to 218,464.32, 327,171.60 and 124,685.76 is: 186,729.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,464.32 : 327,171.60 = 124,685.76 : x
  2. Step 2: Convert to fraction form
    218,464.32/327,171.60 = 124,685.76/x
  3. Step 3: Cross multiply
    218,464.32x = 327,171.60 × 124,685.76
  4. Step 4: Simplify right side
    218,464.32x = 40,793,639,596.42
  5. Step 5: Solve for x
    x = 40,793,639,596.42/218,464.32
  6. Step 6: Final answer
    x = 186,729.07

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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.