Home / 75,201.73-112,816.83-30,226.59

Finding the Fourth Proportional to 75,201.73, 112,816.83 and 30,226.59

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Solution

The fourth proportional to 75,201.73, 112,816.83 and 30,226.59 is: 45,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,201.73 : 112,816.83 = 30,226.59 : x
  2. Step 2: Convert to fraction form
    75,201.73/112,816.83 = 30,226.59/x
  3. Step 3: Cross multiply
    75,201.73x = 112,816.83 × 30,226.59
  4. Step 4: Simplify right side
    75,201.73x = 3,410,067,350.29
  5. Step 5: Solve for x
    x = 3,410,067,350.29/75,201.73
  6. Step 6: Final answer
    x = 45,345.60

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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.