Home / 135,452.32-202,984.89-76,163.56

Finding the Fourth Proportional to 135,452.32, 202,984.89 and 76,163.56

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Solution

The fourth proportional to 135,452.32, 202,984.89 and 76,163.56 is: 114,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,452.32 : 202,984.89 = 76,163.56 : x
  2. Step 2: Convert to fraction form
    135,452.32/202,984.89 = 76,163.56/x
  3. Step 3: Cross multiply
    135,452.32x = 202,984.89 × 76,163.56
  4. Step 4: Simplify right side
    135,452.32x = 15,460,051,848.61
  5. Step 5: Solve for x
    x = 15,460,051,848.61/135,452.32
  6. Step 6: Final answer
    x = 114,136.49

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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.