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Finding the Fourth Proportional to 80,151.93, 120,310.74 and 59,115.42

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Solution

The fourth proportional to 80,151.93, 120,310.74 and 59,115.42 is: 88,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,151.93 : 120,310.74 = 59,115.42 : x
  2. Step 2: Convert to fraction form
    80,151.93/120,310.74 = 59,115.42/x
  3. Step 3: Cross multiply
    80,151.93x = 120,310.74 × 59,115.42
  4. Step 4: Simplify right side
    80,151.93x = 7,112,219,925.61
  5. Step 5: Solve for x
    x = 7,112,219,925.61/80,151.93
  6. Step 6: Final answer
    x = 88,734.23

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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.