Home / 243,748.68-365,668.80-110,638.29

Finding the Fourth Proportional to 243,748.68, 365,668.80 and 110,638.29

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Solution

The fourth proportional to 243,748.68, 365,668.80 and 110,638.29 is: 165,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,748.68 : 365,668.80 = 110,638.29 : x
  2. Step 2: Convert to fraction form
    243,748.68/365,668.80 = 110,638.29/x
  3. Step 3: Cross multiply
    243,748.68x = 365,668.80 × 110,638.29
  4. Step 4: Simplify right side
    243,748.68x = 40,456,970,738.35
  5. Step 5: Solve for x
    x = 40,456,970,738.35/243,748.68
  6. Step 6: Final answer
    x = 165,978.21

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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.