Home / 204,065.84-306,186.94-77,744.04

Finding the Fourth Proportional to 204,065.84, 306,186.94 and 77,744.04

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Solution

The fourth proportional to 204,065.84, 306,186.94 and 77,744.04 is: 116,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,065.84 : 306,186.94 = 77,744.04 : x
  2. Step 2: Convert to fraction form
    204,065.84/306,186.94 = 77,744.04/x
  3. Step 3: Cross multiply
    204,065.84x = 306,186.94 × 77,744.04
  4. Step 4: Simplify right side
    204,065.84x = 23,804,208,659.82
  5. Step 5: Solve for x
    x = 23,804,208,659.82/204,065.84
  6. Step 6: Final answer
    x = 116,649.65

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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.