Home / 199,121.00-298,502.16-72,672.53

Finding the Fourth Proportional to 199,121.00, 298,502.16 and 72,672.53

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Solution

The fourth proportional to 199,121.00, 298,502.16 and 72,672.53 is: 108,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,121.00 : 298,502.16 = 72,672.53 : x
  2. Step 2: Convert to fraction form
    199,121.00/298,502.16 = 72,672.53/x
  3. Step 3: Cross multiply
    199,121.00x = 298,502.16 × 72,672.53
  4. Step 4: Simplify right side
    199,121.00x = 21,692,905,685.15
  5. Step 5: Solve for x
    x = 21,692,905,685.15/199,121.00
  6. Step 6: Final answer
    x = 108,943.33

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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.