Home / 235,104.22-324,450.26-138,314.89

Finding the Fourth Proportional to 235,104.22, 324,450.26 and 138,314.89

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Solution

The fourth proportional to 235,104.22, 324,450.26 and 138,314.89 is: 190,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,104.22 : 324,450.26 = 138,314.89 : x
  2. Step 2: Convert to fraction form
    235,104.22/324,450.26 = 138,314.89/x
  3. Step 3: Cross multiply
    235,104.22x = 324,450.26 × 138,314.89
  4. Step 4: Simplify right side
    235,104.22x = 44,876,302,255.04
  5. Step 5: Solve for x
    x = 44,876,302,255.04/235,104.22
  6. Step 6: Final answer
    x = 190,878.33

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1.5x scale

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.