Home / 168,023.01-231,871.06-91,541.88

Finding the Fourth Proportional to 168,023.01, 231,871.06 and 91,541.88

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Solution

The fourth proportional to 168,023.01, 231,871.06 and 91,541.88 is: 126,327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,023.01 : 231,871.06 = 91,541.88 : x
  2. Step 2: Convert to fraction form
    168,023.01/231,871.06 = 91,541.88/x
  3. Step 3: Cross multiply
    168,023.01x = 231,871.06 × 91,541.88
  4. Step 4: Simplify right side
    168,023.01x = 21,225,912,749.99
  5. Step 5: Solve for x
    x = 21,225,912,749.99/168,023.01
  6. Step 6: Final answer
    x = 126,327.42

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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.