Home / 136,289.66-204,443.15-42,799.10

Finding the Fourth Proportional to 136,289.66, 204,443.15 and 42,799.10

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Solution

The fourth proportional to 136,289.66, 204,443.15 and 42,799.10 is: 64,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,289.66 : 204,443.15 = 42,799.10 : x
  2. Step 2: Convert to fraction form
    136,289.66/204,443.15 = 42,799.10/x
  3. Step 3: Cross multiply
    136,289.66x = 204,443.15 × 42,799.10
  4. Step 4: Simplify right side
    136,289.66x = 8,749,981,584.95
  5. Step 5: Solve for x
    x = 8,749,981,584.95/136,289.66
  6. Step 6: Final answer
    x = 64,201.36

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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.