Home / 202,942.24-304,415.43-90,628.18

Finding the Fourth Proportional to 202,942.24, 304,415.43 and 90,628.18

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Solution

The fourth proportional to 202,942.24, 304,415.43 and 90,628.18 is: 135,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,942.24 : 304,415.43 = 90,628.18 : x
  2. Step 2: Convert to fraction form
    202,942.24/304,415.43 = 90,628.18/x
  3. Step 3: Cross multiply
    202,942.24x = 304,415.43 × 90,628.18
  4. Step 4: Simplify right side
    202,942.24x = 27,588,616,384.82
  5. Step 5: Solve for x
    x = 27,588,616,384.82/202,942.24
  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.