Home / 132,110.18-198,172.19-100,569.69

Finding the Fourth Proportional to 132,110.18, 198,172.19 and 100,569.69

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Solution

The fourth proportional to 132,110.18, 198,172.19 and 100,569.69 is: 150,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,110.18 : 198,172.19 = 100,569.69 : x
  2. Step 2: Convert to fraction form
    132,110.18/198,172.19 = 100,569.69/x
  3. Step 3: Cross multiply
    132,110.18x = 198,172.19 × 100,569.69
  4. Step 4: Simplify right side
    132,110.18x = 19,930,115,966.35
  5. Step 5: Solve for x
    x = 19,930,115,966.35/132,110.18
  6. Step 6: Final answer
    x = 150,859.81

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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.