Home / 138,956.27-208,434.41-33,775.07

Finding the Fourth Proportional to 138,956.27, 208,434.41 and 33,775.07

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Solution

The fourth proportional to 138,956.27, 208,434.41 and 33,775.07 is: 50,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,956.27 : 208,434.41 = 33,775.07 : x
  2. Step 2: Convert to fraction form
    138,956.27/208,434.41 = 33,775.07/x
  3. Step 3: Cross multiply
    138,956.27x = 208,434.41 × 33,775.07
  4. Step 4: Simplify right side
    138,956.27x = 7,039,886,619.28
  5. Step 5: Solve for x
    x = 7,039,886,619.28/138,956.27
  6. Step 6: Final answer
    x = 50,662.61

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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.