Home / 138,914.76-208,371.24-33,733.92

Finding the Fourth Proportional to 138,914.76, 208,371.24 and 33,733.92

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Solution

The fourth proportional to 138,914.76, 208,371.24 and 33,733.92 is: 50,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,914.76 : 208,371.24 = 33,733.92 : x
  2. Step 2: Convert to fraction form
    138,914.76/208,371.24 = 33,733.92/x
  3. Step 3: Cross multiply
    138,914.76x = 208,371.24 × 33,733.92
  4. Step 4: Simplify right side
    138,914.76x = 7,029,178,740.46
  5. Step 5: Solve for x
    x = 7,029,178,740.46/138,914.76
  6. Step 6: Final answer
    x = 50,600.66

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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.