Home / 199,117.44-298,496.88-72,669.36

Finding the Fourth Proportional to 199,117.44, 298,496.88 and 72,669.36

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Solution

The fourth proportional to 199,117.44, 298,496.88 and 72,669.36 is: 108,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,117.44 : 298,496.88 = 72,669.36 : x
  2. Step 2: Convert to fraction form
    199,117.44/298,496.88 = 72,669.36/x
  3. Step 3: Cross multiply
    199,117.44x = 298,496.88 × 72,669.36
  4. Step 4: Simplify right side
    199,117.44x = 21,691,577,231.60
  5. Step 5: Solve for x
    x = 21,691,577,231.60/199,117.44
  6. Step 6: Final answer
    x = 108,938.61

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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.