Home / 159,524.10-220,147.89-87,908.73

Finding the Fourth Proportional to 159,524.10, 220,147.89 and 87,908.73

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Solution

The fourth proportional to 159,524.10, 220,147.89 and 87,908.73 is: 121,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,524.10 : 220,147.89 = 87,908.73 : x
  2. Step 2: Convert to fraction form
    159,524.10/220,147.89 = 87,908.73/x
  3. Step 3: Cross multiply
    159,524.10x = 220,147.89 × 87,908.73
  4. Step 4: Simplify right side
    159,524.10x = 19,352,921,422.08
  5. Step 5: Solve for x
    x = 19,352,921,422.08/159,524.10
  6. Step 6: Final answer
    x = 121,316.60

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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.