Home / 133,687.68-200,521.67-49,408.53

Finding the Fourth Proportional to 133,687.68, 200,521.67 and 49,408.53

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Solution

The fourth proportional to 133,687.68, 200,521.67 and 49,408.53 is: 74,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,687.68 : 200,521.67 = 49,408.53 : x
  2. Step 2: Convert to fraction form
    133,687.68/200,521.67 = 49,408.53/x
  3. Step 3: Cross multiply
    133,687.68x = 200,521.67 × 49,408.53
  4. Step 4: Simplify right side
    133,687.68x = 9,907,480,700.80
  5. Step 5: Solve for x
    x = 9,907,480,700.80/133,687.68
  6. Step 6: Final answer
    x = 74,109.15

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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.