Home / 90,772.40-136,158.60-88,180.40

Finding the Fourth Proportional to 90,772.40, 136,158.60 and 88,180.40

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Solution

The fourth proportional to 90,772.40, 136,158.60 and 88,180.40 is: 132,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,772.40 : 136,158.60 = 88,180.40 : x
  2. Step 2: Convert to fraction form
    90,772.40/136,158.60 = 88,180.40/x
  3. Step 3: Cross multiply
    90,772.40x = 136,158.60 × 88,180.40
  4. Step 4: Simplify right side
    90,772.40x = 12,006,519,811.44
  5. Step 5: Solve for x
    x = 12,006,519,811.44/90,772.40
  6. Step 6: Final answer
    x = 132,270.60

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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.