Home / 99,845.72-137,787.34-54,524.06

Finding the Fourth Proportional to 99,845.72, 137,787.34 and 54,524.06

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Solution

The fourth proportional to 99,845.72, 137,787.34 and 54,524.06 is: 75,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,845.72 : 137,787.34 = 54,524.06 : x
  2. Step 2: Convert to fraction form
    99,845.72/137,787.34 = 54,524.06/x
  3. Step 3: Cross multiply
    99,845.72x = 137,787.34 × 54,524.06
  4. Step 4: Simplify right side
    99,845.72x = 7,512,725,193.40
  5. Step 5: Solve for x
    x = 7,512,725,193.40/99,845.72
  6. Step 6: Final answer
    x = 75,243.34

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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.