Home / 199,113.28-298,713.17-72,753.33

Finding the Fourth Proportional to 199,113.28, 298,713.17 and 72,753.33

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Solution

The fourth proportional to 199,113.28, 298,713.17 and 72,753.33 is: 109,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,113.28 : 298,713.17 = 72,753.33 : x
  2. Step 2: Convert to fraction form
    199,113.28/298,713.17 = 72,753.33/x
  3. Step 3: Cross multiply
    199,113.28x = 298,713.17 × 72,753.33
  4. Step 4: Simplify right side
    199,113.28x = 21,732,377,741.41
  5. Step 5: Solve for x
    x = 21,732,377,741.41/199,113.28
  6. Step 6: Final answer
    x = 109,145.80

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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.