Home / 140,806.88-211,293.54-52,122.68

Finding the Fourth Proportional to 140,806.88, 211,293.54 and 52,122.68

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Solution

The fourth proportional to 140,806.88, 211,293.54 and 52,122.68 is: 78,214.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,806.88 : 211,293.54 = 52,122.68 : x
  2. Step 2: Convert to fraction form
    140,806.88/211,293.54 = 52,122.68/x
  3. Step 3: Cross multiply
    140,806.88x = 211,293.54 × 52,122.68
  4. Step 4: Simplify right side
    140,806.88x = 11,013,185,571.49
  5. Step 5: Solve for x
    x = 11,013,185,571.49/140,806.88
  6. Step 6: Final answer
    x = 78,214.83

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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.