Home / 122,880.80-169,469.52-95,981.60

Finding the Fourth Proportional to 122,880.80, 169,469.52 and 95,981.60

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Solution

The fourth proportional to 122,880.80, 169,469.52 and 95,981.60 is: 132,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,880.80 : 169,469.52 = 95,981.60 : x
  2. Step 2: Convert to fraction form
    122,880.80/169,469.52 = 95,981.60/x
  3. Step 3: Cross multiply
    122,880.80x = 169,469.52 × 95,981.60
  4. Step 4: Simplify right side
    122,880.80x = 16,265,955,680.83
  5. Step 5: Solve for x
    x = 16,265,955,680.83/122,880.80
  6. Step 6: Final answer
    x = 132,371.82

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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.