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Finding the Fourth Proportional to 73,414.80, 110,122.20 and 72,723.60

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Solution

The fourth proportional to 73,414.80, 110,122.20 and 72,723.60 is: 109,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,414.80 : 110,122.20 = 72,723.60 : x
  2. Step 2: Convert to fraction form
    73,414.80/110,122.20 = 72,723.60/x
  3. Step 3: Cross multiply
    73,414.80x = 110,122.20 × 72,723.60
  4. Step 4: Simplify right side
    73,414.80x = 8,008,482,823.92
  5. Step 5: Solve for x
    x = 8,008,482,823.92/73,414.80
  6. Step 6: Final answer
    x = 109,085.40

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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.