Home / 198,717.46-274,232.48-108,075.70

Finding the Fourth Proportional to 198,717.46, 274,232.48 and 108,075.70

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Solution

The fourth proportional to 198,717.46, 274,232.48 and 108,075.70 is: 149,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,717.46 : 274,232.48 = 108,075.70 : x
  2. Step 2: Convert to fraction form
    198,717.46/274,232.48 = 108,075.70/x
  3. Step 3: Cross multiply
    198,717.46x = 274,232.48 × 108,075.70
  4. Step 4: Simplify right side
    198,717.46x = 29,637,867,238.74
  5. Step 5: Solve for x
    x = 29,637,867,238.74/198,717.46
  6. Step 6: Final answer
    x = 149,145.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.