Home / 185,461.25-255,936.66-100,578.31

Finding the Fourth Proportional to 185,461.25, 255,936.66 and 100,578.31

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Solution

The fourth proportional to 185,461.25, 255,936.66 and 100,578.31 is: 138,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,461.25 : 255,936.66 = 100,578.31 : x
  2. Step 2: Convert to fraction form
    185,461.25/255,936.66 = 100,578.31/x
  3. Step 3: Cross multiply
    185,461.25x = 255,936.66 × 100,578.31
  4. Step 4: Simplify right side
    185,461.25x = 25,741,676,278.59
  5. Step 5: Solve for x
    x = 25,741,676,278.59/185,461.25
  6. Step 6: Final answer
    x = 138,798.14

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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.