Home / 72,146.08-108,160.83-30,057.88

Finding the Fourth Proportional to 72,146.08, 108,160.83 and 30,057.88

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Solution

The fourth proportional to 72,146.08, 108,160.83 and 30,057.88 is: 45,062.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,146.08 : 108,160.83 = 30,057.88 : x
  2. Step 2: Convert to fraction form
    72,146.08/108,160.83 = 30,057.88/x
  3. Step 3: Cross multiply
    72,146.08x = 108,160.83 × 30,057.88
  4. Step 4: Simplify right side
    72,146.08x = 3,251,085,248.84
  5. Step 5: Solve for x
    x = 3,251,085,248.84/72,146.08
  6. Step 6: Final answer
    x = 45,062.53

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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.