Home / 135,826.70-203,740.05-69,396.58

Finding the Fourth Proportional to 135,826.70, 203,740.05 and 69,396.58

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Solution

The fourth proportional to 135,826.70, 203,740.05 and 69,396.58 is: 104,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,826.70 : 203,740.05 = 69,396.58 : x
  2. Step 2: Convert to fraction form
    135,826.70/203,740.05 = 69,396.58/x
  3. Step 3: Cross multiply
    135,826.70x = 203,740.05 × 69,396.58
  4. Step 4: Simplify right side
    135,826.70x = 14,138,861,660.33
  5. Step 5: Solve for x
    x = 14,138,861,660.33/135,826.70
  6. Step 6: Final answer
    x = 104,094.86

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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.