Home / 137,909.31-206,863.97-44,415.06

Finding the Fourth Proportional to 137,909.31, 206,863.97 and 44,415.06

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Solution

The fourth proportional to 137,909.31, 206,863.97 and 44,415.06 is: 66,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,909.31 : 206,863.97 = 44,415.06 : x
  2. Step 2: Convert to fraction form
    137,909.31/206,863.97 = 44,415.06/x
  3. Step 3: Cross multiply
    137,909.31x = 206,863.97 × 44,415.06
  4. Step 4: Simplify right side
    137,909.31x = 9,187,875,639.39
  5. Step 5: Solve for x
    x = 9,187,875,639.39/137,909.31
  6. Step 6: Final answer
    x = 66,622.59

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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.