Home / 196,338.72-293,892.68-135,192.23

Finding the Fourth Proportional to 196,338.72, 293,892.68 and 135,192.23

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Solution

The fourth proportional to 196,338.72, 293,892.68 and 135,192.23 is: 202,364.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,338.72 : 293,892.68 = 135,192.23 : x
  2. Step 2: Convert to fraction form
    196,338.72/293,892.68 = 135,192.23/x
  3. Step 3: Cross multiply
    196,338.72x = 293,892.68 × 135,192.23
  4. Step 4: Simplify right side
    196,338.72x = 39,732,004,644.45
  5. Step 5: Solve for x
    x = 39,732,004,644.45/196,338.72
  6. Step 6: Final answer
    x = 202,364.59

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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.