Home / 131,926.84-197,934-87,727.56

Finding the Fourth Proportional to 131,926.84, 197,934 and 87,727.56

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Solution

The fourth proportional to 131,926.84, 197,934 and 87,727.56 is: 131,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,926.84 : 197,934 = 87,727.56 : x
  2. Step 2: Convert to fraction form
    131,926.84/197,934 = 87,727.56/x
  3. Step 3: Cross multiply
    131,926.84x = 197,934 × 87,727.56
  4. Step 4: Simplify right side
    131,926.84x = 17,364,266,861.04
  5. Step 5: Solve for x
    x = 17,364,266,861.04/131,926.84
  6. Step 6: Final answer
    x = 131,620.43

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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.