Home / 135,522.30-187,021.89-75,093.95

Finding the Fourth Proportional to 135,522.30, 187,021.89 and 75,093.95

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Solution

The fourth proportional to 135,522.30, 187,021.89 and 75,093.95 is: 103,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,522.30 : 187,021.89 = 75,093.95 : x
  2. Step 2: Convert to fraction form
    135,522.30/187,021.89 = 75,093.95/x
  3. Step 3: Cross multiply
    135,522.30x = 187,021.89 × 75,093.95
  4. Step 4: Simplify right side
    135,522.30x = 14,044,213,045.65
  5. Step 5: Solve for x
    x = 14,044,213,045.65/135,522.30
  6. Step 6: Final answer
    x = 103,630.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.