Home / 140,706.06-194,184.59-80,278.04

Finding the Fourth Proportional to 140,706.06, 194,184.59 and 80,278.04

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Solution

The fourth proportional to 140,706.06, 194,184.59 and 80,278.04 is: 110,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,706.06 : 194,184.59 = 80,278.04 : x
  2. Step 2: Convert to fraction form
    140,706.06/194,184.59 = 80,278.04/x
  3. Step 3: Cross multiply
    140,706.06x = 194,184.59 × 80,278.04
  4. Step 4: Simplify right side
    140,706.06x = 15,588,756,911.09
  5. Step 5: Solve for x
    x = 15,588,756,911.09/140,706.06
  6. Step 6: Final answer
    x = 110,789.52

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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.