Home / 202,942.38-304,415.62-90,628.29

Finding the Fourth Proportional to 202,942.38, 304,415.62 and 90,628.29

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Solution

The fourth proportional to 202,942.38, 304,415.62 and 90,628.29 is: 135,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,942.38 : 304,415.62 = 90,628.29 : x
  2. Step 2: Convert to fraction form
    202,942.38/304,415.62 = 90,628.29/x
  3. Step 3: Cross multiply
    202,942.38x = 304,415.62 × 90,628.29
  4. Step 4: Simplify right side
    202,942.38x = 27,588,666,863.32
  5. Step 5: Solve for x
    x = 27,588,666,863.32/202,942.38
  6. Step 6: Final answer
    x = 135,943.35

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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.