Home / 215,053.45-322,645.78-109,946.23

Finding the Fourth Proportional to 215,053.45, 322,645.78 and 109,946.23

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Solution

The fourth proportional to 215,053.45, 322,645.78 and 109,946.23 is: 164,952.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,053.45 : 322,645.78 = 109,946.23 : x
  2. Step 2: Convert to fraction form
    215,053.45/322,645.78 = 109,946.23/x
  3. Step 3: Cross multiply
    215,053.45x = 322,645.78 × 109,946.23
  4. Step 4: Simplify right side
    215,053.45x = 35,473,686,467.23
  5. Step 5: Solve for x
    x = 35,473,686,467.23/215,053.45
  6. Step 6: Final answer
    x = 164,952.88

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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.