Home / 168,734.32-253,171.34-73,915.52

Finding the Fourth Proportional to 168,734.32, 253,171.34 and 73,915.52

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Solution

The fourth proportional to 168,734.32, 253,171.34 and 73,915.52 is: 110,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,734.32 : 253,171.34 = 73,915.52 : x
  2. Step 2: Convert to fraction form
    168,734.32/253,171.34 = 73,915.52/x
  3. Step 3: Cross multiply
    168,734.32x = 253,171.34 × 73,915.52
  4. Step 4: Simplify right side
    168,734.32x = 18,713,291,245.20
  5. Step 5: Solve for x
    x = 18,713,291,245.20/168,734.32
  6. Step 6: Final answer
    x = 110,903.88

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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.