Home / 102,111.84-152,839.22-54,608.09

Finding the Fourth Proportional to 102,111.84, 152,839.22 and 54,608.09

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Solution

The fourth proportional to 102,111.84, 152,839.22 and 54,608.09 is: 81,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,111.84 : 152,839.22 = 54,608.09 : x
  2. Step 2: Convert to fraction form
    102,111.84/152,839.22 = 54,608.09/x
  3. Step 3: Cross multiply
    102,111.84x = 152,839.22 × 54,608.09
  4. Step 4: Simplify right side
    102,111.84x = 8,346,256,844.05
  5. Step 5: Solve for x
    x = 8,346,256,844.05/102,111.84
  6. Step 6: Final answer
    x = 81,736.43

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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.