Home / 158,986.80-219,422.52-102,562.20

Finding the Fourth Proportional to 158,986.80, 219,422.52 and 102,562.20

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Solution

The fourth proportional to 158,986.80, 219,422.52 and 102,562.20 is: 141,549.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,986.80 : 219,422.52 = 102,562.20 : x
  2. Step 2: Convert to fraction form
    158,986.80/219,422.52 = 102,562.20/x
  3. Step 3: Cross multiply
    158,986.80x = 219,422.52 × 102,562.20
  4. Step 4: Simplify right side
    158,986.80x = 22,504,456,380.74
  5. Step 5: Solve for x
    x = 22,504,456,380.74/158,986.80
  6. Step 6: Final answer
    x = 141,549.21

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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.