Home / 103,679.20-155,403.60-44,504.80

Finding the Fourth Proportional to 103,679.20, 155,403.60 and 44,504.80

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Solution

The fourth proportional to 103,679.20, 155,403.60 and 44,504.80 is: 66,707.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,679.20 : 155,403.60 = 44,504.80 : x
  2. Step 2: Convert to fraction form
    103,679.20/155,403.60 = 44,504.80/x
  3. Step 3: Cross multiply
    103,679.20x = 155,403.60 × 44,504.80
  4. Step 4: Simplify right side
    103,679.20x = 6,916,206,137.28
  5. Step 5: Solve for x
    x = 6,916,206,137.28/103,679.20
  6. Step 6: Final answer
    x = 66,707.75

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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.