Home / 109,387.36-163,982.40-39,250.18

Finding the Fourth Proportional to 109,387.36, 163,982.40 and 39,250.18

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Solution

The fourth proportional to 109,387.36, 163,982.40 and 39,250.18 is: 58,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,387.36 : 163,982.40 = 39,250.18 : x
  2. Step 2: Convert to fraction form
    109,387.36/163,982.40 = 39,250.18/x
  3. Step 3: Cross multiply
    109,387.36x = 163,982.40 × 39,250.18
  4. Step 4: Simplify right side
    109,387.36x = 6,436,338,716.83
  5. Step 5: Solve for x
    x = 6,436,338,716.83/109,387.36
  6. Step 6: Final answer
    x = 58,839.88

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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.