Home / 138,606.29-207,908.98-33,425.26

Finding the Fourth Proportional to 138,606.29, 207,908.98 and 33,425.26

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Solution

The fourth proportional to 138,606.29, 207,908.98 and 33,425.26 is: 50,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,606.29 : 207,908.98 = 33,425.26 : x
  2. Step 2: Convert to fraction form
    138,606.29/207,908.98 = 33,425.26/x
  3. Step 3: Cross multiply
    138,606.29x = 207,908.98 × 33,425.26
  4. Step 4: Simplify right side
    138,606.29x = 6,949,411,109.50
  5. Step 5: Solve for x
    x = 6,949,411,109.50/138,606.29
  6. Step 6: Final answer
    x = 50,137.78

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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.