Home / 199,648.80-275,335.20-131,617.44

Finding the Fourth Proportional to 199,648.80, 275,335.20 and 131,617.44

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Solution

The fourth proportional to 199,648.80, 275,335.20 and 131,617.44 is: 181,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,648.80 : 275,335.20 = 131,617.44 : x
  2. Step 2: Convert to fraction form
    199,648.80/275,335.20 = 131,617.44/x
  3. Step 3: Cross multiply
    199,648.80x = 275,335.20 × 131,617.44
  4. Step 4: Simplify right side
    199,648.80x = 36,238,914,165.89
  5. Step 5: Solve for x
    x = 36,238,914,165.89/199,648.80
  6. Step 6: Final answer
    x = 181,513.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.