Home / 155,238.24-232,719.12-72,086.88

Finding the Fourth Proportional to 155,238.24, 232,719.12 and 72,086.88

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Solution

The fourth proportional to 155,238.24, 232,719.12 and 72,086.88 is: 108,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,238.24 : 232,719.12 = 72,086.88 : x
  2. Step 2: Convert to fraction form
    155,238.24/232,719.12 = 72,086.88/x
  3. Step 3: Cross multiply
    155,238.24x = 232,719.12 × 72,086.88
  4. Step 4: Simplify right side
    155,238.24x = 16,775,995,277.15
  5. Step 5: Solve for x
    x = 16,775,995,277.15/155,238.24
  6. Step 6: Final answer
    x = 108,066.13

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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.