Home / 199,090.44-298,456.38-72,642.42

Finding the Fourth Proportional to 199,090.44, 298,456.38 and 72,642.42

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Solution

The fourth proportional to 199,090.44, 298,456.38 and 72,642.42 is: 108,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,090.44 : 298,456.38 = 72,642.42 : x
  2. Step 2: Convert to fraction form
    199,090.44/298,456.38 = 72,642.42/x
  3. Step 3: Cross multiply
    199,090.44x = 298,456.38 × 72,642.42
  4. Step 4: Simplify right side
    199,090.44x = 21,680,593,707.64
  5. Step 5: Solve for x
    x = 21,680,593,707.64/199,090.44
  6. Step 6: Final answer
    x = 108,898.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.