Home / 163,091.16-225,077.03-91,475.79

Finding the Fourth Proportional to 163,091.16, 225,077.03 and 91,475.79

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Solution

The fourth proportional to 163,091.16, 225,077.03 and 91,475.79 is: 126,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,091.16 : 225,077.03 = 91,475.79 : x
  2. Step 2: Convert to fraction form
    163,091.16/225,077.03 = 91,475.79/x
  3. Step 3: Cross multiply
    163,091.16x = 225,077.03 × 91,475.79
  4. Step 4: Simplify right side
    163,091.16x = 20,589,098,171.72
  5. Step 5: Solve for x
    x = 20,589,098,171.72/163,091.16
  6. Step 6: Final answer
    x = 126,242.88

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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.