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Finding the Fourth Proportional to 88,068.60, 132,102.90 and 28,906.20

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Solution

The fourth proportional to 88,068.60, 132,102.90 and 28,906.20 is: 43,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,068.60 : 132,102.90 = 28,906.20 : x
  2. Step 2: Convert to fraction form
    88,068.60/132,102.90 = 28,906.20/x
  3. Step 3: Cross multiply
    88,068.60x = 132,102.90 × 28,906.20
  4. Step 4: Simplify right side
    88,068.60x = 3,818,592,847.98
  5. Step 5: Solve for x
    x = 3,818,592,847.98/88,068.60
  6. Step 6: Final answer
    x = 43,359.30

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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.