Home / 135,318.64-203,007.86-40,544.96

Finding the Fourth Proportional to 135,318.64, 203,007.86 and 40,544.96

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Solution

The fourth proportional to 135,318.64, 203,007.86 and 40,544.96 is: 60,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,318.64 : 203,007.86 = 40,544.96 : x
  2. Step 2: Convert to fraction form
    135,318.64/203,007.86 = 40,544.96/x
  3. Step 3: Cross multiply
    135,318.64x = 203,007.86 × 40,544.96
  4. Step 4: Simplify right side
    135,318.64x = 8,230,945,563.39
  5. Step 5: Solve for x
    x = 8,230,945,563.39/135,318.64
  6. Step 6: Final answer
    x = 60,826.40

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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.