Home / 222,313.60-306,831.52-131,720.56

Finding the Fourth Proportional to 222,313.60, 306,831.52 and 131,720.56

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Solution

The fourth proportional to 222,313.60, 306,831.52 and 131,720.56 is: 181,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,313.60 : 306,831.52 = 131,720.56 : x
  2. Step 2: Convert to fraction form
    222,313.60/306,831.52 = 131,720.56/x
  3. Step 3: Cross multiply
    222,313.60x = 306,831.52 × 131,720.56
  4. Step 4: Simplify right side
    222,313.60x = 40,416,019,640.05
  5. Step 5: Solve for x
    x = 40,416,019,640.05/222,313.60
  6. Step 6: Final answer
    x = 181,797.33

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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.