Home / 168,819.30-253,353.36-80,073.06

Finding the Fourth Proportional to 168,819.30, 253,353.36 and 80,073.06

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Solution

The fourth proportional to 168,819.30, 253,353.36 and 80,073.06 is: 120,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,819.30 : 253,353.36 = 80,073.06 : x
  2. Step 2: Convert to fraction form
    168,819.30/253,353.36 = 80,073.06/x
  3. Step 3: Cross multiply
    168,819.30x = 253,353.36 × 80,073.06
  4. Step 4: Simplify right side
    168,819.30x = 20,286,778,796.48
  5. Step 5: Solve for x
    x = 20,286,778,796.48/168,819.30
  6. Step 6: Final answer
    x = 120,168.60

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1.5x scale

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.