Home / 137,721.02-206,590.89-44,221.10

Finding the Fourth Proportional to 137,721.02, 206,590.89 and 44,221.10

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Solution

The fourth proportional to 137,721.02, 206,590.89 and 44,221.10 is: 66,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,721.02 : 206,590.89 = 44,221.10 : x
  2. Step 2: Convert to fraction form
    137,721.02/206,590.89 = 44,221.10/x
  3. Step 3: Cross multiply
    137,721.02x = 206,590.89 × 44,221.10
  4. Step 4: Simplify right side
    137,721.02x = 9,135,676,405.78
  5. Step 5: Solve for x
    x = 9,135,676,405.78/137,721.02
  6. Step 6: Final answer
    x = 66,334.66

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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.