Home / 201,521.10-277,910.33-125,052.60

Finding the Fourth Proportional to 201,521.10, 277,910.33 and 125,052.60

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Solution

The fourth proportional to 201,521.10, 277,910.33 and 125,052.60 is: 172,455.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,521.10 : 277,910.33 = 125,052.60 : x
  2. Step 2: Convert to fraction form
    201,521.10/277,910.33 = 125,052.60/x
  3. Step 3: Cross multiply
    201,521.10x = 277,910.33 × 125,052.60
  4. Step 4: Simplify right side
    201,521.10x = 34,753,408,708.10
  5. Step 5: Solve for x
    x = 34,753,408,708.10/201,521.10
  6. Step 6: Final answer
    x = 172,455.43

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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.