Home / 136,439.88-204,410.45-98,906.86

Finding the Fourth Proportional to 136,439.88, 204,410.45 and 98,906.86

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Solution

The fourth proportional to 136,439.88, 204,410.45 and 98,906.86 is: 148,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,439.88 : 204,410.45 = 98,906.86 : x
  2. Step 2: Convert to fraction form
    136,439.88/204,410.45 = 98,906.86/x
  3. Step 3: Cross multiply
    136,439.88x = 204,410.45 × 98,906.86
  4. Step 4: Simplify right side
    136,439.88x = 20,217,595,760.69
  5. Step 5: Solve for x
    x = 20,217,595,760.69/136,439.88
  6. Step 6: Final answer
    x = 148,179.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.