Home / 194,387.84-268,251.36-109,503.20

Finding the Fourth Proportional to 194,387.84, 268,251.36 and 109,503.20

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Solution

The fourth proportional to 194,387.84, 268,251.36 and 109,503.20 is: 151,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,387.84 : 268,251.36 = 109,503.20 : x
  2. Step 2: Convert to fraction form
    194,387.84/268,251.36 = 109,503.20/x
  3. Step 3: Cross multiply
    194,387.84x = 268,251.36 × 109,503.20
  4. Step 4: Simplify right side
    194,387.84x = 29,374,382,324.35
  5. Step 5: Solve for x
    x = 29,374,382,324.35/194,387.84
  6. Step 6: Final answer
    x = 151,112.24

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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.