Home / 135,966.68-203,928.92-69,455.96

Finding the Fourth Proportional to 135,966.68, 203,928.92 and 69,455.96

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Solution

The fourth proportional to 135,966.68, 203,928.92 and 69,455.96 is: 104,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,966.68 : 203,928.92 = 69,455.96 : x
  2. Step 2: Convert to fraction form
    135,966.68/203,928.92 = 69,455.96/x
  3. Step 3: Cross multiply
    135,966.68x = 203,928.92 × 69,455.96
  4. Step 4: Simplify right side
    135,966.68x = 14,164,078,910.36
  5. Step 5: Solve for x
    x = 14,164,078,910.36/135,966.68
  6. Step 6: Final answer
    x = 104,173.16

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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.