Home / 202,942.23-304,415.43-90,628.17

Finding the Fourth Proportional to 202,942.23, 304,415.43 and 90,628.17

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Solution

The fourth proportional to 202,942.23, 304,415.43 and 90,628.17 is: 135,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,942.23 : 304,415.43 = 90,628.17 : x
  2. Step 2: Convert to fraction form
    202,942.23/304,415.43 = 90,628.17/x
  3. Step 3: Cross multiply
    202,942.23x = 304,415.43 × 90,628.17
  4. Step 4: Simplify right side
    202,942.23x = 27,588,613,340.66
  5. Step 5: Solve for x
    x = 27,588,613,340.66/202,942.23
  6. Step 6: Final answer
    x = 135,943.19

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1.5x scale

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.