Home / 128,305.44-192,535.92-49,474.08

Finding the Fourth Proportional to 128,305.44, 192,535.92 and 49,474.08

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Solution

The fourth proportional to 128,305.44, 192,535.92 and 49,474.08 is: 74,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,305.44 : 192,535.92 = 49,474.08 : x
  2. Step 2: Convert to fraction form
    128,305.44/192,535.92 = 49,474.08/x
  3. Step 3: Cross multiply
    128,305.44x = 192,535.92 × 49,474.08
  4. Step 4: Simplify right side
    128,305.44x = 9,525,537,508.95
  5. Step 5: Solve for x
    x = 9,525,537,508.95/128,305.44
  6. Step 6: Final answer
    x = 74,241.10

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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.