Home / 137,659.38-206,476.88-42,885.60

Finding the Fourth Proportional to 137,659.38, 206,476.88 and 42,885.60

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Solution

The fourth proportional to 137,659.38, 206,476.88 and 42,885.60 is: 64,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,659.38 : 206,476.88 = 42,885.60 : x
  2. Step 2: Convert to fraction form
    137,659.38/206,476.88 = 42,885.60/x
  3. Step 3: Cross multiply
    137,659.38x = 206,476.88 × 42,885.60
  4. Step 4: Simplify right side
    137,659.38x = 8,854,884,884.93
  5. Step 5: Solve for x
    x = 8,854,884,884.93/137,659.38
  6. Step 6: Final answer
    x = 64,324.60

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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.