Home / 131,974.29-198,093.24-72,837.81

Finding the Fourth Proportional to 131,974.29, 198,093.24 and 72,837.81

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Solution

The fourth proportional to 131,974.29, 198,093.24 and 72,837.81 is: 109,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,974.29 : 198,093.24 = 72,837.81 : x
  2. Step 2: Convert to fraction form
    131,974.29/198,093.24 = 72,837.81/x
  3. Step 3: Cross multiply
    131,974.29x = 198,093.24 × 72,837.81
  4. Step 4: Simplify right side
    131,974.29x = 14,428,677,777.40
  5. Step 5: Solve for x
    x = 14,428,677,777.40/131,974.29
  6. Step 6: Final answer
    x = 109,329.46

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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.