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Finding the Fourth Proportional to 202,754.57, 279,789.29 and 112,103.42

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Solution

The fourth proportional to 202,754.57, 279,789.29 and 112,103.42 is: 154,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,754.57 : 279,789.29 = 112,103.42 : x
  2. Step 2: Convert to fraction form
    202,754.57/279,789.29 = 112,103.42/x
  3. Step 3: Cross multiply
    202,754.57x = 279,789.29 × 112,103.42
  4. Step 4: Simplify right side
    202,754.57x = 31,365,336,288.37
  5. Step 5: Solve for x
    x = 31,365,336,288.37/202,754.57
  6. Step 6: Final answer
    x = 154,696.08

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1.5x scale

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.