Home / 110,979.74-166,486.18-40,853.72

Finding the Fourth Proportional to 110,979.74, 166,486.18 and 40,853.72

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Solution

The fourth proportional to 110,979.74, 166,486.18 and 40,853.72 is: 61,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,979.74 : 166,486.18 = 40,853.72 : x
  2. Step 2: Convert to fraction form
    110,979.74/166,486.18 = 40,853.72/x
  3. Step 3: Cross multiply
    110,979.74x = 166,486.18 × 40,853.72
  4. Step 4: Simplify right side
    110,979.74x = 6,801,579,781.59
  5. Step 5: Solve for x
    x = 6,801,579,781.59/110,979.74
  6. Step 6: Final answer
    x = 61,286.68

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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.