Home / 181,346.28-250,257.98-100,781.30

Finding the Fourth Proportional to 181,346.28, 250,257.98 and 100,781.30

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Solution

The fourth proportional to 181,346.28, 250,257.98 and 100,781.30 is: 139,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,346.28 : 250,257.98 = 100,781.30 : x
  2. Step 2: Convert to fraction form
    181,346.28/250,257.98 = 100,781.30/x
  3. Step 3: Cross multiply
    181,346.28x = 250,257.98 × 100,781.30
  4. Step 4: Simplify right side
    181,346.28x = 25,221,324,559.77
  5. Step 5: Solve for x
    x = 25,221,324,559.77/181,346.28
  6. Step 6: Final answer
    x = 139,078.26

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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.