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Finding the Fourth Proportional to 88,132.80, 132,199.20 and 28,954.20

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Solution

The fourth proportional to 88,132.80, 132,199.20 and 28,954.20 is: 43,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,132.80 : 132,199.20 = 28,954.20 : x
  2. Step 2: Convert to fraction form
    88,132.80/132,199.20 = 28,954.20/x
  3. Step 3: Cross multiply
    88,132.80x = 132,199.20 × 28,954.20
  4. Step 4: Simplify right side
    88,132.80x = 3,827,722,076.64
  5. Step 5: Solve for x
    x = 3,827,722,076.64/88,132.80
  6. Step 6: Final answer
    x = 43,431.30

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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.