Home / 88,391.25-121,949.15-50,146.29

Finding the Fourth Proportional to 88,391.25, 121,949.15 and 50,146.29

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Solution

The fourth proportional to 88,391.25, 121,949.15 and 50,146.29 is: 69,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,391.25 : 121,949.15 = 50,146.29 : x
  2. Step 2: Convert to fraction form
    88,391.25/121,949.15 = 50,146.29/x
  3. Step 3: Cross multiply
    88,391.25x = 121,949.15 × 50,146.29
  4. Step 4: Simplify right side
    88,391.25x = 6,115,297,190.42
  5. Step 5: Solve for x
    x = 6,115,297,190.42/88,391.25
  6. Step 6: Final answer
    x = 69,184.42

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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.