Home / 178,824.40-267,799.20-85,220.80

Finding the Fourth Proportional to 178,824.40, 267,799.20 and 85,220.80

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Solution

The fourth proportional to 178,824.40, 267,799.20 and 85,220.80 is: 127,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,824.40 : 267,799.20 = 85,220.80 : x
  2. Step 2: Convert to fraction form
    178,824.40/267,799.20 = 85,220.80/x
  3. Step 3: Cross multiply
    178,824.40x = 267,799.20 × 85,220.80
  4. Step 4: Simplify right side
    178,824.40x = 22,822,062,063.36
  5. Step 5: Solve for x
    x = 22,822,062,063.36/178,824.40
  6. Step 6: Final answer
    x = 127,622.75

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1.5x scale

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.