Home / 96,638.92-144,972.06-30,085.78

Finding the Fourth Proportional to 96,638.92, 144,972.06 and 30,085.78

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Solution

The fourth proportional to 96,638.92, 144,972.06 and 30,085.78 is: 45,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,638.92 : 144,972.06 = 30,085.78 : x
  2. Step 2: Convert to fraction form
    96,638.92/144,972.06 = 30,085.78/x
  3. Step 3: Cross multiply
    96,638.92x = 144,972.06 × 30,085.78
  4. Step 4: Simplify right side
    96,638.92x = 4,361,597,503.31
  5. Step 5: Solve for x
    x = 4,361,597,503.31/96,638.92
  6. Step 6: Final answer
    x = 45,132.93

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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.