Home / 131,181.57-196,867.94-52,318.35

Finding the Fourth Proportional to 131,181.57, 196,867.94 and 52,318.35

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Solution

The fourth proportional to 131,181.57, 196,867.94 and 52,318.35 is: 78,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,181.57 : 196,867.94 = 52,318.35 : x
  2. Step 2: Convert to fraction form
    131,181.57/196,867.94 = 52,318.35/x
  3. Step 3: Cross multiply
    131,181.57x = 196,867.94 × 52,318.35
  4. Step 4: Simplify right side
    131,181.57x = 10,299,805,527.11
  5. Step 5: Solve for x
    x = 10,299,805,527.11/131,181.57
  6. Step 6: Final answer
    x = 78,515.64

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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.