Home / 159,768.15-220,480.07-88,148.34

Finding the Fourth Proportional to 159,768.15, 220,480.07 and 88,148.34

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Solution

The fourth proportional to 159,768.15, 220,480.07 and 88,148.34 is: 121,644.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,768.15 : 220,480.07 = 88,148.34 : x
  2. Step 2: Convert to fraction form
    159,768.15/220,480.07 = 88,148.34/x
  3. Step 3: Cross multiply
    159,768.15x = 220,480.07 × 88,148.34
  4. Step 4: Simplify right side
    159,768.15x = 19,434,951,732.84
  5. Step 5: Solve for x
    x = 19,434,951,732.84/159,768.15
  6. Step 6: Final answer
    x = 121,644.72

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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.