Home / 218,576.28-301,632.30-123,084.12

Finding the Fourth Proportional to 218,576.28, 301,632.30 and 123,084.12

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Solution

The fourth proportional to 218,576.28, 301,632.30 and 123,084.12 is: 169,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,576.28 : 301,632.30 = 123,084.12 : x
  2. Step 2: Convert to fraction form
    218,576.28/301,632.30 = 123,084.12/x
  3. Step 3: Cross multiply
    218,576.28x = 301,632.30 × 123,084.12
  4. Step 4: Simplify right side
    218,576.28x = 37,126,146,209.08
  5. Step 5: Solve for x
    x = 37,126,146,209.08/218,576.28
  6. Step 6: Final answer
    x = 169,854.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.