Home / 159,060.42-219,503.52-87,441.66

Finding the Fourth Proportional to 159,060.42, 219,503.52 and 87,441.66

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Solution

The fourth proportional to 159,060.42, 219,503.52 and 87,441.66 is: 120,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,060.42 : 219,503.52 = 87,441.66 : x
  2. Step 2: Convert to fraction form
    159,060.42/219,503.52 = 87,441.66/x
  3. Step 3: Cross multiply
    159,060.42x = 219,503.52 × 87,441.66
  4. Step 4: Simplify right side
    159,060.42x = 19,193,752,164.64
  5. Step 5: Solve for x
    x = 19,193,752,164.64/159,060.42
  6. Step 6: Final answer
    x = 120,669.57

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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.