Home / 155,268.52-232,736.68-80,313.20

Finding the Fourth Proportional to 155,268.52, 232,736.68 and 80,313.20

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Solution

The fourth proportional to 155,268.52, 232,736.68 and 80,313.20 is: 120,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,268.52 : 232,736.68 = 80,313.20 : x
  2. Step 2: Convert to fraction form
    155,268.52/232,736.68 = 80,313.20/x
  3. Step 3: Cross multiply
    155,268.52x = 232,736.68 × 80,313.20
  4. Step 4: Simplify right side
    155,268.52x = 18,691,827,528.18
  5. Step 5: Solve for x
    x = 18,691,827,528.18/155,268.52
  6. Step 6: Final answer
    x = 120,383.88

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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.