Home / 221,944.96-306,287.10-131,298.60

Finding the Fourth Proportional to 221,944.96, 306,287.10 and 131,298.60

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Solution

The fourth proportional to 221,944.96, 306,287.10 and 131,298.60 is: 181,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,944.96 : 306,287.10 = 131,298.60 : x
  2. Step 2: Convert to fraction form
    221,944.96/306,287.10 = 131,298.60/x
  3. Step 3: Cross multiply
    221,944.96x = 306,287.10 × 131,298.60
  4. Step 4: Simplify right side
    221,944.96x = 40,215,067,428.06
  5. Step 5: Solve for x
    x = 40,215,067,428.06/221,944.96
  6. Step 6: Final answer
    x = 181,193.88

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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.