Home / 90,480.60-124,857.34-50,194.26

Finding the Fourth Proportional to 90,480.60, 124,857.34 and 50,194.26

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Solution

The fourth proportional to 90,480.60, 124,857.34 and 50,194.26 is: 69,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,480.60 : 124,857.34 = 50,194.26 : x
  2. Step 2: Convert to fraction form
    90,480.60/124,857.34 = 50,194.26/x
  3. Step 3: Cross multiply
    90,480.60x = 124,857.34 × 50,194.26
  4. Step 4: Simplify right side
    90,480.60x = 6,267,121,786.87
  5. Step 5: Solve for x
    x = 6,267,121,786.87/90,480.60
  6. Step 6: Final answer
    x = 69,264.81

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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.