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Finding the Fourth Proportional to 133,028.40, 199,542.60 and 88,510.80

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Solution

The fourth proportional to 133,028.40, 199,542.60 and 88,510.80 is: 132,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.40 : 199,542.60 = 88,510.80 : x
  2. Step 2: Convert to fraction form
    133,028.40/199,542.60 = 88,510.80/x
  3. Step 3: Cross multiply
    133,028.40x = 199,542.60 × 88,510.80
  4. Step 4: Simplify right side
    133,028.40x = 17,661,675,160.08
  5. Step 5: Solve for x
    x = 17,661,675,160.08/133,028.40
  6. Step 6: Final answer
    x = 132,766.20

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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.