Home / 202,037.31-303,055.97-112,135.21

Finding the Fourth Proportional to 202,037.31, 303,055.97 and 112,135.21

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Solution

The fourth proportional to 202,037.31, 303,055.97 and 112,135.21 is: 168,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,037.31 : 303,055.97 = 112,135.21 : x
  2. Step 2: Convert to fraction form
    202,037.31/303,055.97 = 112,135.21/x
  3. Step 3: Cross multiply
    202,037.31x = 303,055.97 × 112,135.21
  4. Step 4: Simplify right side
    202,037.31x = 33,983,243,519.39
  5. Step 5: Solve for x
    x = 33,983,243,519.39/202,037.31
  6. Step 6: Final answer
    x = 168,202.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.