Home / 235,769.20-353,739.42-145,707.04

Finding the Fourth Proportional to 235,769.20, 353,739.42 and 145,707.04

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Solution

The fourth proportional to 235,769.20, 353,739.42 and 145,707.04 is: 218,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,769.20 : 353,739.42 = 145,707.04 : x
  2. Step 2: Convert to fraction form
    235,769.20/353,739.42 = 145,707.04/x
  3. Step 3: Cross multiply
    235,769.20x = 353,739.42 × 145,707.04
  4. Step 4: Simplify right side
    235,769.20x = 51,542,323,819.52
  5. Step 5: Solve for x
    x = 51,542,323,819.52/235,769.20
  6. Step 6: Final answer
    x = 218,613.47

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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.