Home / 135,815.44-203,722.88-76,624.24

Finding the Fourth Proportional to 135,815.44, 203,722.88 and 76,624.24

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Solution

The fourth proportional to 135,815.44, 203,722.88 and 76,624.24 is: 114,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,815.44 : 203,722.88 = 76,624.24 : x
  2. Step 2: Convert to fraction form
    135,815.44/203,722.88 = 76,624.24/x
  3. Step 3: Cross multiply
    135,815.44x = 203,722.88 × 76,624.24
  4. Step 4: Simplify right side
    135,815.44x = 15,610,110,850.61
  5. Step 5: Solve for x
    x = 15,610,110,850.61/135,815.44
  6. Step 6: Final answer
    x = 114,936.20

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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.