Home / 204,976.46-307,448.28-91,159.51

Finding the Fourth Proportional to 204,976.46, 307,448.28 and 91,159.51

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Solution

The fourth proportional to 204,976.46, 307,448.28 and 91,159.51 is: 136,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,976.46 : 307,448.28 = 91,159.51 : x
  2. Step 2: Convert to fraction form
    204,976.46/307,448.28 = 91,159.51/x
  3. Step 3: Cross multiply
    204,976.46x = 307,448.28 × 91,159.51
  4. Step 4: Simplify right side
    204,976.46x = 28,026,834,555.14
  5. Step 5: Solve for x
    x = 28,026,834,555.14/204,976.46
  6. Step 6: Final answer
    x = 136,731.97

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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.