Home / 193,981.20-290,504.52-131,462.16

Finding the Fourth Proportional to 193,981.20, 290,504.52 and 131,462.16

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Solution

The fourth proportional to 193,981.20, 290,504.52 and 131,462.16 is: 196,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,981.20 : 290,504.52 = 131,462.16 : x
  2. Step 2: Convert to fraction form
    193,981.20/290,504.52 = 131,462.16/x
  3. Step 3: Cross multiply
    193,981.20x = 290,504.52 × 131,462.16
  4. Step 4: Simplify right side
    193,981.20x = 38,190,351,688.96
  5. Step 5: Solve for x
    x = 38,190,351,688.96/193,981.20
  6. Step 6: Final answer
    x = 196,876.56

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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.