Home / 222,122.62-306,568.68-131,528.88

Finding the Fourth Proportional to 222,122.62, 306,568.68 and 131,528.88

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Solution

The fourth proportional to 222,122.62, 306,568.68 and 131,528.88 is: 181,533.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,122.62 : 306,568.68 = 131,528.88 : x
  2. Step 2: Convert to fraction form
    222,122.62/306,568.68 = 131,528.88/x
  3. Step 3: Cross multiply
    222,122.62x = 306,568.68 × 131,528.88
  4. Step 4: Simplify right side
    222,122.62x = 40,322,635,123.48
  5. Step 5: Solve for x
    x = 40,322,635,123.48/222,122.62
  6. Step 6: Final answer
    x = 181,533.22

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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.