Home / 103,021.62-154,331.94-75,954.66

Finding the Fourth Proportional to 103,021.62, 154,331.94 and 75,954.66

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Solution

The fourth proportional to 103,021.62, 154,331.94 and 75,954.66 is: 113,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,021.62 : 154,331.94 = 75,954.66 : x
  2. Step 2: Convert to fraction form
    103,021.62/154,331.94 = 75,954.66/x
  3. Step 3: Cross multiply
    103,021.62x = 154,331.94 × 75,954.66
  4. Step 4: Simplify right side
    103,021.62x = 11,722,230,029.84
  5. Step 5: Solve for x
    x = 11,722,230,029.84/103,021.62
  6. Step 6: Final answer
    x = 113,784.17

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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.