Home / 138,223.32-207,118.96-96,185.56

Finding the Fourth Proportional to 138,223.32, 207,118.96 and 96,185.56

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Solution

The fourth proportional to 138,223.32, 207,118.96 and 96,185.56 is: 144,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,223.32 : 207,118.96 = 96,185.56 : x
  2. Step 2: Convert to fraction form
    138,223.32/207,118.96 = 96,185.56/x
  3. Step 3: Cross multiply
    138,223.32x = 207,118.96 × 96,185.56
  4. Step 4: Simplify right side
    138,223.32x = 19,921,853,154.22
  5. Step 5: Solve for x
    x = 19,921,853,154.22/138,223.32
  6. Step 6: Final answer
    x = 144,128.02

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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.