Home / 181,219.82-250,083.11-100,659.38

Finding the Fourth Proportional to 181,219.82, 250,083.11 and 100,659.38

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Solution

The fourth proportional to 181,219.82, 250,083.11 and 100,659.38 is: 138,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,219.82 : 250,083.11 = 100,659.38 : x
  2. Step 2: Convert to fraction form
    181,219.82/250,083.11 = 100,659.38/x
  3. Step 3: Cross multiply
    181,219.82x = 250,083.11 × 100,659.38
  4. Step 4: Simplify right side
    181,219.82x = 25,173,209,802.30
  5. Step 5: Solve for x
    x = 25,173,209,802.30/181,219.82
  6. Step 6: Final answer
    x = 138,909.81

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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.