Home / 142,869.54-214,305.92-54,098.94

Finding the Fourth Proportional to 142,869.54, 214,305.92 and 54,098.94

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Solution

The fourth proportional to 142,869.54, 214,305.92 and 54,098.94 is: 81,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,869.54 : 214,305.92 = 54,098.94 : x
  2. Step 2: Convert to fraction form
    142,869.54/214,305.92 = 54,098.94/x
  3. Step 3: Cross multiply
    142,869.54x = 214,305.92 × 54,098.94
  4. Step 4: Simplify right side
    142,869.54x = 11,593,723,107.72
  5. Step 5: Solve for x
    x = 11,593,723,107.72/142,869.54
  6. Step 6: Final answer
    x = 81,149.02

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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.