Home / 138,546.28-191,105.22-96,089.32

Finding the Fourth Proportional to 138,546.28, 191,105.22 and 96,089.32

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Solution

The fourth proportional to 138,546.28, 191,105.22 and 96,089.32 is: 132,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,546.28 : 191,105.22 = 96,089.32 : x
  2. Step 2: Convert to fraction form
    138,546.28/191,105.22 = 96,089.32/x
  3. Step 3: Cross multiply
    138,546.28x = 191,105.22 × 96,089.32
  4. Step 4: Simplify right side
    138,546.28x = 18,363,170,638.25
  5. Step 5: Solve for x
    x = 18,363,170,638.25/138,546.28
  6. Step 6: Final answer
    x = 132,541.78

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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.