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Finding the Fourth Proportional to 110,488.65, 165,622 and 35,553.72

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Solution

The fourth proportional to 110,488.65, 165,622 and 35,553.72 is: 53,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,488.65 : 165,622 = 35,553.72 : x
  2. Step 2: Convert to fraction form
    110,488.65/165,622 = 35,553.72/x
  3. Step 3: Cross multiply
    110,488.65x = 165,622 × 35,553.72
  4. Step 4: Simplify right side
    110,488.65x = 5,888,478,213.84
  5. Step 5: Solve for x
    x = 5,888,478,213.84/110,488.65
  6. Step 6: Final answer
    x = 53,294.87

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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.