Home / 181,634.19-250,689.89-120,272.15

Finding the Fourth Proportional to 181,634.19, 250,689.89 and 120,272.15

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Solution

The fourth proportional to 181,634.19, 250,689.89 and 120,272.15 is: 165,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,634.19 : 250,689.89 = 120,272.15 : x
  2. Step 2: Convert to fraction form
    181,634.19/250,689.89 = 120,272.15/x
  3. Step 3: Cross multiply
    181,634.19x = 250,689.89 × 120,272.15
  4. Step 4: Simplify right side
    181,634.19x = 30,151,011,138.84
  5. Step 5: Solve for x
    x = 30,151,011,138.84/181,634.19
  6. Step 6: Final answer
    x = 165,998.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.