Home / 90,906.93-125,451.05-53,180.37

Finding the Fourth Proportional to 90,906.93, 125,451.05 and 53,180.37

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Solution

The fourth proportional to 90,906.93, 125,451.05 and 53,180.37 is: 73,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,906.93 : 125,451.05 = 53,180.37 : x
  2. Step 2: Convert to fraction form
    90,906.93/125,451.05 = 53,180.37/x
  3. Step 3: Cross multiply
    90,906.93x = 125,451.05 × 53,180.37
  4. Step 4: Simplify right side
    90,906.93x = 6,671,532,989.99
  5. Step 5: Solve for x
    x = 6,671,532,989.99/90,906.93
  6. Step 6: Final answer
    x = 73,388.61

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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.