Home / 75,179.20-112,797.60-73,998.40

Finding the Fourth Proportional to 75,179.20, 112,797.60 and 73,998.40

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Solution

The fourth proportional to 75,179.20, 112,797.60 and 73,998.40 is: 111,025.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,179.20 : 112,797.60 = 73,998.40 : x
  2. Step 2: Convert to fraction form
    75,179.20/112,797.60 = 73,998.40/x
  3. Step 3: Cross multiply
    75,179.20x = 112,797.60 × 73,998.40
  4. Step 4: Simplify right side
    75,179.20x = 8,346,841,923.84
  5. Step 5: Solve for x
    x = 8,346,841,923.84/75,179.20
  6. Step 6: Final answer
    x = 111,025.95

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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.