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Finding the Fourth Proportional to 88,151.60, 132,234.88 and 28,188.64

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Solution

The fourth proportional to 88,151.60, 132,234.88 and 28,188.64 is: 42,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,151.60 : 132,234.88 = 28,188.64 : x
  2. Step 2: Convert to fraction form
    88,151.60/132,234.88 = 28,188.64/x
  3. Step 3: Cross multiply
    88,151.60x = 132,234.88 × 28,188.64
  4. Step 4: Simplify right side
    88,151.60x = 3,727,521,427.76
  5. Step 5: Solve for x
    x = 3,727,521,427.76/88,151.60
  6. Step 6: Final answer
    x = 42,285.35

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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.