Home / 149,181.60-224,589-136,117.92

Finding the Fourth Proportional to 149,181.60, 224,589 and 136,117.92

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Solution

The fourth proportional to 149,181.60, 224,589 and 136,117.92 is: 204,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,181.60 : 224,589 = 136,117.92 : x
  2. Step 2: Convert to fraction form
    149,181.60/224,589 = 136,117.92/x
  3. Step 3: Cross multiply
    149,181.60x = 224,589 × 136,117.92
  4. Step 4: Simplify right side
    149,181.60x = 30,570,587,534.88
  5. Step 5: Solve for x
    x = 30,570,587,534.88/149,181.60
  6. Step 6: Final answer
    x = 204,921.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.