Home / 160,289.38-221,180.20-88,659.66

Finding the Fourth Proportional to 160,289.38, 221,180.20 and 88,659.66

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Solution

The fourth proportional to 160,289.38, 221,180.20 and 88,659.66 is: 122,339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,289.38 : 221,180.20 = 88,659.66 : x
  2. Step 2: Convert to fraction form
    160,289.38/221,180.20 = 88,659.66/x
  3. Step 3: Cross multiply
    160,289.38x = 221,180.20 × 88,659.66
  4. Step 4: Simplify right side
    160,289.38x = 19,609,761,330.73
  5. Step 5: Solve for x
    x = 19,609,761,330.73/160,289.38
  6. Step 6: Final answer
    x = 122,339.75

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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.