Home / 138,207.24-207,719.82-114,667.47

Finding the Fourth Proportional to 138,207.24, 207,719.82 and 114,667.47

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Solution

The fourth proportional to 138,207.24, 207,719.82 and 114,667.47 is: 172,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,207.24 : 207,719.82 = 114,667.47 : x
  2. Step 2: Convert to fraction form
    138,207.24/207,719.82 = 114,667.47/x
  3. Step 3: Cross multiply
    138,207.24x = 207,719.82 × 114,667.47
  4. Step 4: Simplify right side
    138,207.24x = 23,818,706,228.26
  5. Step 5: Solve for x
    x = 23,818,706,228.26/138,207.24
  6. Step 6: Final answer
    x = 172,340.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.