Home / 131,313.28-196,833.84-61,134.88

Finding the Fourth Proportional to 131,313.28, 196,833.84 and 61,134.88

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Solution

The fourth proportional to 131,313.28, 196,833.84 and 61,134.88 is: 91,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,313.28 : 196,833.84 = 61,134.88 : x
  2. Step 2: Convert to fraction form
    131,313.28/196,833.84 = 61,134.88/x
  3. Step 3: Cross multiply
    131,313.28x = 196,833.84 × 61,134.88
  4. Step 4: Simplify right side
    131,313.28x = 12,033,413,188.34
  5. Step 5: Solve for x
    x = 12,033,413,188.34/131,313.28
  6. Step 6: Final answer
    x = 91,638.97

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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.