Home / 138,828.84-208,243.27-33,647.81

Finding the Fourth Proportional to 138,828.84, 208,243.27 and 33,647.81

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Solution

The fourth proportional to 138,828.84, 208,243.27 and 33,647.81 is: 50,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,828.84 : 208,243.27 = 33,647.81 : x
  2. Step 2: Convert to fraction form
    138,828.84/208,243.27 = 33,647.81/x
  3. Step 3: Cross multiply
    138,828.84x = 208,243.27 × 33,647.81
  4. Step 4: Simplify right side
    138,828.84x = 7,006,929,982.74
  5. Step 5: Solve for x
    x = 7,006,929,982.74/138,828.84
  6. Step 6: Final answer
    x = 50,471.72

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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.