Home / 120,717.68-181,080.32-57,544.65

Finding the Fourth Proportional to 120,717.68, 181,080.32 and 57,544.65

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Solution

The fourth proportional to 120,717.68, 181,080.32 and 57,544.65 is: 86,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,717.68 : 181,080.32 = 57,544.65 : x
  2. Step 2: Convert to fraction form
    120,717.68/181,080.32 = 57,544.65/x
  3. Step 3: Cross multiply
    120,717.68x = 181,080.32 × 57,544.65
  4. Step 4: Simplify right side
    120,717.68x = 10,420,203,348.56
  5. Step 5: Solve for x
    x = 10,420,203,348.56/120,717.68
  6. Step 6: Final answer
    x = 86,318.79

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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.