Home / 137,619.66-206,379.96-47,637.92

Finding the Fourth Proportional to 137,619.66, 206,379.96 and 47,637.92

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Solution

The fourth proportional to 137,619.66, 206,379.96 and 47,637.92 is: 71,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,619.66 : 206,379.96 = 47,637.92 : x
  2. Step 2: Convert to fraction form
    137,619.66/206,379.96 = 47,637.92/x
  3. Step 3: Cross multiply
    137,619.66x = 206,379.96 × 47,637.92
  4. Step 4: Simplify right side
    137,619.66x = 9,831,511,780.95
  5. Step 5: Solve for x
    x = 9,831,511,780.95/137,619.66
  6. Step 6: Final answer
    x = 71,439.74

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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.