Home / 160,169.42-221,022.96-88,539.78

Finding the Fourth Proportional to 160,169.42, 221,022.96 and 88,539.78

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Solution

The fourth proportional to 160,169.42, 221,022.96 and 88,539.78 is: 122,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,169.42 : 221,022.96 = 88,539.78 : x
  2. Step 2: Convert to fraction form
    160,169.42/221,022.96 = 88,539.78/x
  3. Step 3: Cross multiply
    160,169.42x = 221,022.96 × 88,539.78
  4. Step 4: Simplify right side
    160,169.42x = 19,569,324,253.35
  5. Step 5: Solve for x
    x = 19,569,324,253.35/160,169.42
  6. Step 6: Final answer
    x = 122,178.90

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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.