Home / 160,778.88-221,951.04-107,153.28

Finding the Fourth Proportional to 160,778.88, 221,951.04 and 107,153.28

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Solution

The fourth proportional to 160,778.88, 221,951.04 and 107,153.28 is: 147,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,778.88 : 221,951.04 = 107,153.28 : x
  2. Step 2: Convert to fraction form
    160,778.88/221,951.04 = 107,153.28/x
  3. Step 3: Cross multiply
    160,778.88x = 221,951.04 × 107,153.28
  4. Step 4: Simplify right side
    160,778.88x = 23,782,781,935.41
  5. Step 5: Solve for x
    x = 23,782,781,935.41/160,778.88
  6. Step 6: Final answer
    x = 147,922.30

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1.5x scale

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.