Home / 181,445.28-250,380.30-100,867.89

Finding the Fourth Proportional to 181,445.28, 250,380.30 and 100,867.89

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Solution

The fourth proportional to 181,445.28, 250,380.30 and 100,867.89 is: 139,189.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,445.28 : 250,380.30 = 100,867.89 : x
  2. Step 2: Convert to fraction form
    181,445.28/250,380.30 = 100,867.89/x
  3. Step 3: Cross multiply
    181,445.28x = 250,380.30 × 100,867.89
  4. Step 4: Simplify right side
    181,445.28x = 25,255,333,308.37
  5. Step 5: Solve for x
    x = 25,255,333,308.37/181,445.28
  6. Step 6: Final answer
    x = 139,189.81

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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.