Home / 135,449.36-203,250.84-73,118.48

Finding the Fourth Proportional to 135,449.36, 203,250.84 and 73,118.48

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Solution

The fourth proportional to 135,449.36, 203,250.84 and 73,118.48 is: 109,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,449.36 : 203,250.84 = 73,118.48 : x
  2. Step 2: Convert to fraction form
    135,449.36/203,250.84 = 73,118.48/x
  3. Step 3: Cross multiply
    135,449.36x = 203,250.84 × 73,118.48
  4. Step 4: Simplify right side
    135,449.36x = 14,861,392,479.52
  5. Step 5: Solve for x
    x = 14,861,392,479.52/135,449.36
  6. Step 6: Final answer
    x = 109,719.18

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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.