Home / 159,493.14-220,132.38-91,556.02

Finding the Fourth Proportional to 159,493.14, 220,132.38 and 91,556.02

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Solution

The fourth proportional to 159,493.14, 220,132.38 and 91,556.02 is: 126,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,493.14 : 220,132.38 = 91,556.02 : x
  2. Step 2: Convert to fraction form
    159,493.14/220,132.38 = 91,556.02/x
  3. Step 3: Cross multiply
    159,493.14x = 220,132.38 × 91,556.02
  4. Step 4: Simplify right side
    159,493.14x = 20,154,444,585.93
  5. Step 5: Solve for x
    x = 20,154,444,585.93/159,493.14
  6. Step 6: Final answer
    x = 126,365.59

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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.