Home / 112,490.94-168,732.21-28,251.66

Finding the Fourth Proportional to 112,490.94, 168,732.21 and 28,251.66

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Solution

The fourth proportional to 112,490.94, 168,732.21 and 28,251.66 is: 42,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,490.94 : 168,732.21 = 28,251.66 : x
  2. Step 2: Convert to fraction form
    112,490.94/168,732.21 = 28,251.66/x
  3. Step 3: Cross multiply
    112,490.94x = 168,732.21 × 28,251.66
  4. Step 4: Simplify right side
    112,490.94x = 4,766,965,027.97
  5. Step 5: Solve for x
    x = 4,766,965,027.97/112,490.94
  6. Step 6: Final answer
    x = 42,376.44

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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.