Home / 137,638.26-206,437.95-44,131.86

Finding the Fourth Proportional to 137,638.26, 206,437.95 and 44,131.86

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Solution

The fourth proportional to 137,638.26, 206,437.95 and 44,131.86 is: 66,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,638.26 : 206,437.95 = 44,131.86 : x
  2. Step 2: Convert to fraction form
    137,638.26/206,437.95 = 44,131.86/x
  3. Step 3: Cross multiply
    137,638.26x = 206,437.95 × 44,131.86
  4. Step 4: Simplify right side
    137,638.26x = 9,110,490,708.09
  5. Step 5: Solve for x
    x = 9,110,490,708.09/137,638.26
  6. Step 6: Final answer
    x = 66,191.56

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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.