Home / 140,802.01-194,310.66-80,382.49

Finding the Fourth Proportional to 140,802.01, 194,310.66 and 80,382.49

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Solution

The fourth proportional to 140,802.01, 194,310.66 and 80,382.49 is: 110,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,802.01 : 194,310.66 = 80,382.49 : x
  2. Step 2: Convert to fraction form
    140,802.01/194,310.66 = 80,382.49/x
  3. Step 3: Cross multiply
    140,802.01x = 194,310.66 × 80,382.49
  4. Step 4: Simplify right side
    140,802.01x = 15,619,174,684.34
  5. Step 5: Solve for x
    x = 15,619,174,684.34/140,802.01
  6. Step 6: Final answer
    x = 110,930.05

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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.