Home / 159,199.80-219,693.38-87,575.56

Finding the Fourth Proportional to 159,199.80, 219,693.38 and 87,575.56

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Solution

The fourth proportional to 159,199.80, 219,693.38 and 87,575.56 is: 120,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,199.80 : 219,693.38 = 87,575.56 : x
  2. Step 2: Convert to fraction form
    159,199.80/219,693.38 = 87,575.56/x
  3. Step 3: Cross multiply
    159,199.80x = 219,693.38 × 87,575.56
  4. Step 4: Simplify right side
    159,199.80x = 19,239,770,781.79
  5. Step 5: Solve for x
    x = 19,239,770,781.79/159,199.80
  6. Step 6: Final answer
    x = 120,852.98

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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.