Home / 107,990.49-162,034.97-55,436.91

Finding the Fourth Proportional to 107,990.49, 162,034.97 and 55,436.91

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Solution

The fourth proportional to 107,990.49, 162,034.97 and 55,436.91 is: 83,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,990.49 : 162,034.97 = 55,436.91 : x
  2. Step 2: Convert to fraction form
    107,990.49/162,034.97 = 55,436.91/x
  3. Step 3: Cross multiply
    107,990.49x = 162,034.97 × 55,436.91
  4. Step 4: Simplify right side
    107,990.49x = 8,982,717,771.56
  5. Step 5: Solve for x
    x = 8,982,717,771.56/107,990.49
  6. Step 6: Final answer
    x = 83,180.64

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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.