Home / 202,721.39-304,233.55-76,486.13

Finding the Fourth Proportional to 202,721.39, 304,233.55 and 76,486.13

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Solution

The fourth proportional to 202,721.39, 304,233.55 and 76,486.13 is: 114,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,721.39 : 304,233.55 = 76,486.13 : x
  2. Step 2: Convert to fraction form
    202,721.39/304,233.55 = 76,486.13/x
  3. Step 3: Cross multiply
    202,721.39x = 304,233.55 × 76,486.13
  4. Step 4: Simplify right side
    202,721.39x = 23,269,646,855.66
  5. Step 5: Solve for x
    x = 23,269,646,855.66/202,721.39
  6. Step 6: Final answer
    x = 114,786.34

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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.