Home / 127,850.21-191,744.55-39,104.48

Finding the Fourth Proportional to 127,850.21, 191,744.55 and 39,104.48

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Solution

The fourth proportional to 127,850.21, 191,744.55 and 39,104.48 is: 58,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,850.21 : 191,744.55 = 39,104.48 : x
  2. Step 2: Convert to fraction form
    127,850.21/191,744.55 = 39,104.48/x
  3. Step 3: Cross multiply
    127,850.21x = 191,744.55 × 39,104.48
  4. Step 4: Simplify right side
    127,850.21x = 7,498,070,920.58
  5. Step 5: Solve for x
    x = 7,498,070,920.58/127,850.21
  6. Step 6: Final answer
    x = 58,647.31

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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.