Home / 140,506.07-193,891.37-80,079.26

Finding the Fourth Proportional to 140,506.07, 193,891.37 and 80,079.26

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Solution

The fourth proportional to 140,506.07, 193,891.37 and 80,079.26 is: 110,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,506.07 : 193,891.37 = 80,079.26 : x
  2. Step 2: Convert to fraction form
    140,506.07/193,891.37 = 80,079.26/x
  3. Step 3: Cross multiply
    140,506.07x = 193,891.37 × 80,079.26
  4. Step 4: Simplify right side
    140,506.07x = 15,526,676,060.13
  5. Step 5: Solve for x
    x = 15,526,676,060.13/140,506.07
  6. Step 6: Final answer
    x = 110,505.38

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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.