Home / 194,294.73-291,481.38-81,975.22

Finding the Fourth Proportional to 194,294.73, 291,481.38 and 81,975.22

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Solution

The fourth proportional to 194,294.73, 291,481.38 and 81,975.22 is: 122,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,294.73 : 291,481.38 = 81,975.22 : x
  2. Step 2: Convert to fraction form
    194,294.73/291,481.38 = 81,975.22/x
  3. Step 3: Cross multiply
    194,294.73x = 291,481.38 × 81,975.22
  4. Step 4: Simplify right side
    194,294.73x = 23,894,250,251.40
  5. Step 5: Solve for x
    x = 23,894,250,251.40/194,294.73
  6. Step 6: Final answer
    x = 122,979.40

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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.