Home / 159,712.10-220,394.74-88,087.85

Finding the Fourth Proportional to 159,712.10, 220,394.74 and 88,087.85

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Solution

The fourth proportional to 159,712.10, 220,394.74 and 88,087.85 is: 121,556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,712.10 : 220,394.74 = 88,087.85 : x
  2. Step 2: Convert to fraction form
    159,712.10/220,394.74 = 88,087.85/x
  3. Step 3: Cross multiply
    159,712.10x = 220,394.74 × 88,087.85
  4. Step 4: Simplify right side
    159,712.10x = 19,414,098,797.91
  5. Step 5: Solve for x
    x = 19,414,098,797.91/159,712.10
  6. Step 6: Final answer
    x = 121,556.84

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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.