Home / 185,429.30-255,891.01-100,546.10

Finding the Fourth Proportional to 185,429.30, 255,891.01 and 100,546.10

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Solution

The fourth proportional to 185,429.30, 255,891.01 and 100,546.10 is: 138,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,429.30 : 255,891.01 = 100,546.10 : x
  2. Step 2: Convert to fraction form
    185,429.30/255,891.01 = 100,546.10/x
  3. Step 3: Cross multiply
    185,429.30x = 255,891.01 × 100,546.10
  4. Step 4: Simplify right side
    185,429.30x = 25,728,843,080.56
  5. Step 5: Solve for x
    x = 25,728,843,080.56/185,429.30
  6. Step 6: Final answer
    x = 138,752.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.