Home / 168,439.44-252,812.16-89,619.60

Finding the Fourth Proportional to 168,439.44, 252,812.16 and 89,619.60

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Solution

The fourth proportional to 168,439.44, 252,812.16 and 89,619.60 is: 134,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,439.44 : 252,812.16 = 89,619.60 : x
  2. Step 2: Convert to fraction form
    168,439.44/252,812.16 = 89,619.60/x
  3. Step 3: Cross multiply
    168,439.44x = 252,812.16 × 89,619.60
  4. Step 4: Simplify right side
    168,439.44x = 22,656,924,654.34
  5. Step 5: Solve for x
    x = 22,656,924,654.34/168,439.44
  6. Step 6: Final answer
    x = 134,510.80

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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.