Home / 178,822.40-267,796.20-85,218.80

Finding the Fourth Proportional to 178,822.40, 267,796.20 and 85,218.80

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Solution

The fourth proportional to 178,822.40, 267,796.20 and 85,218.80 is: 127,619.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,822.40 : 267,796.20 = 85,218.80 : x
  2. Step 2: Convert to fraction form
    178,822.40/267,796.20 = 85,218.80/x
  3. Step 3: Cross multiply
    178,822.40x = 267,796.20 × 85,218.80
  4. Step 4: Simplify right side
    178,822.40x = 22,821,270,808.56
  5. Step 5: Solve for x
    x = 22,821,270,808.56/178,822.40
  6. Step 6: Final answer
    x = 127,619.75

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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.