Home / 135,964.67-203,510.29-72,626.42

Finding the Fourth Proportional to 135,964.67, 203,510.29 and 72,626.42

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Solution

The fourth proportional to 135,964.67, 203,510.29 and 72,626.42 is: 108,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,964.67 : 203,510.29 = 72,626.42 : x
  2. Step 2: Convert to fraction form
    135,964.67/203,510.29 = 72,626.42/x
  3. Step 3: Cross multiply
    135,964.67x = 203,510.29 × 72,626.42
  4. Step 4: Simplify right side
    135,964.67x = 14,780,223,977.43
  5. Step 5: Solve for x
    x = 14,780,223,977.43/135,964.67
  6. Step 6: Final answer
    x = 108,706.36

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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.