Home / 127,869.44-191,797.20-39,122.91

Finding the Fourth Proportional to 127,869.44, 191,797.20 and 39,122.91

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Solution

The fourth proportional to 127,869.44, 191,797.20 and 39,122.91 is: 58,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,869.44 : 191,797.20 = 39,122.91 : x
  2. Step 2: Convert to fraction form
    127,869.44/191,797.20 = 39,122.91/x
  3. Step 3: Cross multiply
    127,869.44x = 191,797.20 × 39,122.91
  4. Step 4: Simplify right side
    127,869.44x = 7,503,664,593.85
  5. Step 5: Solve for x
    x = 7,503,664,593.85/127,869.44
  6. Step 6: Final answer
    x = 58,682.24

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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.