Home / 199,330.66-298,997.52-72,974.89

Finding the Fourth Proportional to 199,330.66, 298,997.52 and 72,974.89

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Solution

The fourth proportional to 199,330.66, 298,997.52 and 72,974.89 is: 109,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,330.66 : 298,997.52 = 72,974.89 : x
  2. Step 2: Convert to fraction form
    199,330.66/298,997.52 = 72,974.89/x
  3. Step 3: Cross multiply
    199,330.66x = 298,997.52 × 72,974.89
  4. Step 4: Simplify right side
    199,330.66x = 21,819,311,132.27
  5. Step 5: Solve for x
    x = 21,819,311,132.27/199,330.66
  6. Step 6: Final answer
    x = 109,462.90

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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.