Home / 144,739.44-199,740.42-81,077.22

Finding the Fourth Proportional to 144,739.44, 199,740.42 and 81,077.22

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Solution

The fourth proportional to 144,739.44, 199,740.42 and 81,077.22 is: 111,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,739.44 : 199,740.42 = 81,077.22 : x
  2. Step 2: Convert to fraction form
    144,739.44/199,740.42 = 81,077.22/x
  3. Step 3: Cross multiply
    144,739.44x = 199,740.42 × 81,077.22
  4. Step 4: Simplify right side
    144,739.44x = 16,194,397,975.23
  5. Step 5: Solve for x
    x = 16,194,397,975.23/144,739.44
  6. Step 6: Final answer
    x = 111,886.56

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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.