Home / 159,015.50-219,309.94-107,944.28

Finding the Fourth Proportional to 159,015.50, 219,309.94 and 107,944.28

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Solution

The fourth proportional to 159,015.50, 219,309.94 and 107,944.28 is: 148,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,015.50 : 219,309.94 = 107,944.28 : x
  2. Step 2: Convert to fraction form
    159,015.50/219,309.94 = 107,944.28/x
  3. Step 3: Cross multiply
    159,015.50x = 219,309.94 × 107,944.28
  4. Step 4: Simplify right side
    159,015.50x = 23,673,253,570.14
  5. Step 5: Solve for x
    x = 23,673,253,570.14/159,015.50
  6. Step 6: Final answer
    x = 148,873.87

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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.