Home / 165,988.20-248,616.54-137,198.28

Finding the Fourth Proportional to 165,988.20, 248,616.54 and 137,198.28

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Solution

The fourth proportional to 165,988.20, 248,616.54 and 137,198.28 is: 205,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,988.20 : 248,616.54 = 137,198.28 : x
  2. Step 2: Convert to fraction form
    165,988.20/248,616.54 = 137,198.28/x
  3. Step 3: Cross multiply
    165,988.20x = 248,616.54 × 137,198.28
  4. Step 4: Simplify right side
    165,988.20x = 34,109,761,667.55
  5. Step 5: Solve for x
    x = 34,109,761,667.55/165,988.20
  6. Step 6: Final answer
    x = 205,495.10

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1.5x scale

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.