Home / 199,123.26-274,789.01-108,479.00

Finding the Fourth Proportional to 199,123.26, 274,789.01 and 108,479.00

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Solution

The fourth proportional to 199,123.26, 274,789.01 and 108,479.00 is: 149,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,123.26 : 274,789.01 = 108,479.00 : x
  2. Step 2: Convert to fraction form
    199,123.26/274,789.01 = 108,479.00/x
  3. Step 3: Cross multiply
    199,123.26x = 274,789.01 × 108,479.00
  4. Step 4: Simplify right side
    199,123.26x = 29,808,835,818.08
  5. Step 5: Solve for x
    x = 29,808,835,818.08/199,123.26
  6. Step 6: Final answer
    x = 149,700.42

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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.