Home / 198,417.21-273,817.82-107,774.94

Finding the Fourth Proportional to 198,417.21, 273,817.82 and 107,774.94

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Solution

The fourth proportional to 198,417.21, 273,817.82 and 107,774.94 is: 148,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,417.21 : 273,817.82 = 107,774.94 : x
  2. Step 2: Convert to fraction form
    198,417.21/273,817.82 = 107,774.94/x
  3. Step 3: Cross multiply
    198,417.21x = 273,817.82 × 107,774.94
  4. Step 4: Simplify right side
    198,417.21x = 29,510,699,811.45
  5. Step 5: Solve for x
    x = 29,510,699,811.45/198,417.21
  6. Step 6: Final answer
    x = 148,730.54

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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.