Home / 109,626.60-164,391.30-50,431.80

Finding the Fourth Proportional to 109,626.60, 164,391.30 and 50,431.80

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Solution

The fourth proportional to 109,626.60, 164,391.30 and 50,431.80 is: 75,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,626.60 : 164,391.30 = 50,431.80 : x
  2. Step 2: Convert to fraction form
    109,626.60/164,391.30 = 50,431.80/x
  3. Step 3: Cross multiply
    109,626.60x = 164,391.30 × 50,431.80
  4. Step 4: Simplify right side
    109,626.60x = 8,290,549,163.34
  5. Step 5: Solve for x
    x = 8,290,549,163.34/109,626.60
  6. Step 6: Final answer
    x = 75,625.34

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1.5x scale

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.