Home / 72,170.38-108,255.71-27,818.02

Finding the Fourth Proportional to 72,170.38, 108,255.71 and 27,818.02

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Solution

The fourth proportional to 72,170.38, 108,255.71 and 27,818.02 is: 41,727.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,170.38 : 108,255.71 = 27,818.02 : x
  2. Step 2: Convert to fraction form
    72,170.38/108,255.71 = 27,818.02/x
  3. Step 3: Cross multiply
    72,170.38x = 108,255.71 × 27,818.02
  4. Step 4: Simplify right side
    72,170.38x = 3,011,459,505.89
  5. Step 5: Solve for x
    x = 3,011,459,505.89/72,170.38
  6. Step 6: Final answer
    x = 41,727.08

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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.