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Finding the Fourth Proportional to 89,180.75, 133,770.85 and 22,620.74

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Solution

The fourth proportional to 89,180.75, 133,770.85 and 22,620.74 is: 33,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,180.75 : 133,770.85 = 22,620.74 : x
  2. Step 2: Convert to fraction form
    89,180.75/133,770.85 = 22,620.74/x
  3. Step 3: Cross multiply
    89,180.75x = 133,770.85 × 22,620.74
  4. Step 4: Simplify right side
    89,180.75x = 3,025,994,892.02
  5. Step 5: Solve for x
    x = 3,025,994,892.02/89,180.75
  6. Step 6: Final answer
    x = 33,931.03

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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.