Home / 96,821.80-144,843.90-83,818.60

Finding the Fourth Proportional to 96,821.80, 144,843.90 and 83,818.60

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Solution

The fourth proportional to 96,821.80, 144,843.90 and 83,818.60 is: 125,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,821.80 : 144,843.90 = 83,818.60 : x
  2. Step 2: Convert to fraction form
    96,821.80/144,843.90 = 83,818.60/x
  3. Step 3: Cross multiply
    96,821.80x = 144,843.90 × 83,818.60
  4. Step 4: Simplify right side
    96,821.80x = 12,140,612,916.54
  5. Step 5: Solve for x
    x = 12,140,612,916.54/96,821.80
  6. Step 6: Final answer
    x = 125,391.32

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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.