Home / 199,133.94-274,796.91-108,490.62

Finding the Fourth Proportional to 199,133.94, 274,796.91 and 108,490.62

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Solution

The fourth proportional to 199,133.94, 274,796.91 and 108,490.62 is: 149,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,133.94 : 274,796.91 = 108,490.62 : x
  2. Step 2: Convert to fraction form
    199,133.94/274,796.91 = 108,490.62/x
  3. Step 3: Cross multiply
    199,133.94x = 274,796.91 × 108,490.62
  4. Step 4: Simplify right side
    199,133.94x = 29,812,887,139.98
  5. Step 5: Solve for x
    x = 29,812,887,139.98/199,133.94
  6. Step 6: Final answer
    x = 149,712.74

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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.