Home / 181,016.50-249,832.56-100,469.96

Finding the Fourth Proportional to 181,016.50, 249,832.56 and 100,469.96

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Solution

The fourth proportional to 181,016.50, 249,832.56 and 100,469.96 is: 138,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,016.50 : 249,832.56 = 100,469.96 : x
  2. Step 2: Convert to fraction form
    181,016.50/249,832.56 = 100,469.96/x
  3. Step 3: Cross multiply
    181,016.50x = 249,832.56 × 100,469.96
  4. Step 4: Simplify right side
    181,016.50x = 25,100,667,309.90
  5. Step 5: Solve for x
    x = 25,100,667,309.90/181,016.50
  6. Step 6: Final answer
    x = 138,665.08

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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.