Home / 138,825.27-208,236.06-33,645.15

Finding the Fourth Proportional to 138,825.27, 208,236.06 and 33,645.15

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Solution

The fourth proportional to 138,825.27, 208,236.06 and 33,645.15 is: 50,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,825.27 : 208,236.06 = 33,645.15 : x
  2. Step 2: Convert to fraction form
    138,825.27/208,236.06 = 33,645.15/x
  3. Step 3: Cross multiply
    138,825.27x = 208,236.06 × 33,645.15
  4. Step 4: Simplify right side
    138,825.27x = 7,006,133,474.11
  5. Step 5: Solve for x
    x = 7,006,133,474.11/138,825.27
  6. Step 6: Final answer
    x = 50,467.28

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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.