Home / 178,664.40-267,559.20-85,060.80

Finding the Fourth Proportional to 178,664.40, 267,559.20 and 85,060.80

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Solution

The fourth proportional to 178,664.40, 267,559.20 and 85,060.80 is: 127,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,664.40 : 267,559.20 = 85,060.80 : x
  2. Step 2: Convert to fraction form
    178,664.40/267,559.20 = 85,060.80/x
  3. Step 3: Cross multiply
    178,664.40x = 267,559.20 × 85,060.80
  4. Step 4: Simplify right side
    178,664.40x = 22,758,799,599.36
  5. Step 5: Solve for x
    x = 22,758,799,599.36/178,664.40
  6. Step 6: Final answer
    x = 127,382.96

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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.