Home / 198,852.75-274,416.84-109,428.75

Finding the Fourth Proportional to 198,852.75, 274,416.84 and 109,428.75

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Solution

The fourth proportional to 198,852.75, 274,416.84 and 109,428.75 is: 151,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,852.75 : 274,416.84 = 109,428.75 : x
  2. Step 2: Convert to fraction form
    198,852.75/274,416.84 = 109,428.75/x
  3. Step 3: Cross multiply
    198,852.75x = 274,416.84 × 109,428.75
  4. Step 4: Simplify right side
    198,852.75x = 30,029,091,780.15
  5. Step 5: Solve for x
    x = 30,029,091,780.15/198,852.75
  6. Step 6: Final answer
    x = 151,011.70

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1.5x scale

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.