Home / 135,838.40-203,757.66-47,091.92

Finding the Fourth Proportional to 135,838.40, 203,757.66 and 47,091.92

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Solution

The fourth proportional to 135,838.40, 203,757.66 and 47,091.92 is: 70,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,838.40 : 203,757.66 = 47,091.92 : x
  2. Step 2: Convert to fraction form
    135,838.40/203,757.66 = 47,091.92/x
  3. Step 3: Cross multiply
    135,838.40x = 203,757.66 × 47,091.92
  4. Step 4: Simplify right side
    135,838.40x = 9,595,339,424.11
  5. Step 5: Solve for x
    x = 9,595,339,424.11/135,838.40
  6. Step 6: Final answer
    x = 70,637.90

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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.