Home / 185,033.48-255,348.36-108,553.89

Finding the Fourth Proportional to 185,033.48, 255,348.36 and 108,553.89

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Solution

The fourth proportional to 185,033.48, 255,348.36 and 108,553.89 is: 149,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,033.48 : 255,348.36 = 108,553.89 : x
  2. Step 2: Convert to fraction form
    185,033.48/255,348.36 = 108,553.89/x
  3. Step 3: Cross multiply
    185,033.48x = 255,348.36 × 108,553.89
  4. Step 4: Simplify right side
    185,033.48x = 27,719,057,783.12
  5. Step 5: Solve for x
    x = 27,719,057,783.12/185,033.48
  6. Step 6: Final answer
    x = 149,805.64

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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.