Home / 193,979.20-290,501.52-131,460.16

Finding the Fourth Proportional to 193,979.20, 290,501.52 and 131,460.16

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Solution

The fourth proportional to 193,979.20, 290,501.52 and 131,460.16 is: 196,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,979.20 : 290,501.52 = 131,460.16 : x
  2. Step 2: Convert to fraction form
    193,979.20/290,501.52 = 131,460.16/x
  3. Step 3: Cross multiply
    193,979.20x = 290,501.52 × 131,460.16
  4. Step 4: Simplify right side
    193,979.20x = 38,189,376,299.44
  5. Step 5: Solve for x
    x = 38,189,376,299.44/193,979.20
  6. Step 6: Final answer
    x = 196,873.56

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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.