Home / 75,233.60-112,850.40-40,155.20

Finding the Fourth Proportional to 75,233.60, 112,850.40 and 40,155.20

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Solution

The fourth proportional to 75,233.60, 112,850.40 and 40,155.20 is: 60,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,233.60 : 112,850.40 = 40,155.20 : x
  2. Step 2: Convert to fraction form
    75,233.60/112,850.40 = 40,155.20/x
  3. Step 3: Cross multiply
    75,233.60x = 112,850.40 × 40,155.20
  4. Step 4: Simplify right side
    75,233.60x = 4,531,530,382.08
  5. Step 5: Solve for x
    x = 4,531,530,382.08/75,233.60
  6. Step 6: Final answer
    x = 60,232.80

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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.