Home / 110,218.79-165,196.94-76,757.69

Finding the Fourth Proportional to 110,218.79, 165,196.94 and 76,757.69

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Solution

The fourth proportional to 110,218.79, 165,196.94 and 76,757.69 is: 115,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,218.79 : 165,196.94 = 76,757.69 : x
  2. Step 2: Convert to fraction form
    110,218.79/165,196.94 = 76,757.69/x
  3. Step 3: Cross multiply
    110,218.79x = 165,196.94 × 76,757.69
  4. Step 4: Simplify right side
    110,218.79x = 12,680,135,538.67
  5. Step 5: Solve for x
    x = 12,680,135,538.67/110,218.79
  6. Step 6: Final answer
    x = 115,045.13

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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.