Home / 138,096.34-207,110.85-38,253.94

Finding the Fourth Proportional to 138,096.34, 207,110.85 and 38,253.94

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Solution

The fourth proportional to 138,096.34, 207,110.85 and 38,253.94 is: 57,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,096.34 : 207,110.85 = 38,253.94 : x
  2. Step 2: Convert to fraction form
    138,096.34/207,110.85 = 38,253.94/x
  3. Step 3: Cross multiply
    138,096.34x = 207,110.85 × 38,253.94
  4. Step 4: Simplify right side
    138,096.34x = 7,922,806,029.25
  5. Step 5: Solve for x
    x = 7,922,806,029.25/138,096.34
  6. Step 6: Final answer
    x = 57,371.59

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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.