Home / 137,966.73-206,837.22-71,425.86

Finding the Fourth Proportional to 137,966.73, 206,837.22 and 71,425.86

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Solution

The fourth proportional to 137,966.73, 206,837.22 and 71,425.86 is: 107,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,966.73 : 206,837.22 = 71,425.86 : x
  2. Step 2: Convert to fraction form
    137,966.73/206,837.22 = 71,425.86/x
  3. Step 3: Cross multiply
    137,966.73x = 206,837.22 × 71,425.86
  4. Step 4: Simplify right side
    137,966.73x = 14,773,526,318.51
  5. Step 5: Solve for x
    x = 14,773,526,318.51/137,966.73
  6. Step 6: Final answer
    x = 107,080.35

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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.