Home / 96,452.07-133,138.79-78,515.94

Finding the Fourth Proportional to 96,452.07, 133,138.79 and 78,515.94

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Solution

The fourth proportional to 96,452.07, 133,138.79 and 78,515.94 is: 108,380.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,452.07 : 133,138.79 = 78,515.94 : x
  2. Step 2: Convert to fraction form
    96,452.07/133,138.79 = 78,515.94/x
  3. Step 3: Cross multiply
    96,452.07x = 133,138.79 × 78,515.94
  4. Step 4: Simplify right side
    96,452.07x = 10,453,516,854.73
  5. Step 5: Solve for x
    x = 10,453,516,854.73/96,452.07
  6. Step 6: Final answer
    x = 108,380.43

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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.