Home / 135,270.07-186,732.48-80,841.44

Finding the Fourth Proportional to 135,270.07, 186,732.48 and 80,841.44

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Solution

The fourth proportional to 135,270.07, 186,732.48 and 80,841.44 is: 111,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,270.07 : 186,732.48 = 80,841.44 : x
  2. Step 2: Convert to fraction form
    135,270.07/186,732.48 = 80,841.44/x
  3. Step 3: Cross multiply
    135,270.07x = 186,732.48 × 80,841.44
  4. Step 4: Simplify right side
    135,270.07x = 15,095,722,577.97
  5. Step 5: Solve for x
    x = 15,095,722,577.97/135,270.07
  6. Step 6: Final answer
    x = 111,596.92

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1.5x scale

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.