Home / 140,147.80-210,179.22-51,408.52

Finding the Fourth Proportional to 140,147.80, 210,179.22 and 51,408.52

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Solution

The fourth proportional to 140,147.80, 210,179.22 and 51,408.52 is: 77,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,147.80 : 210,179.22 = 51,408.52 : x
  2. Step 2: Convert to fraction form
    140,147.80/210,179.22 = 51,408.52/x
  3. Step 3: Cross multiply
    140,147.80x = 210,179.22 × 51,408.52
  4. Step 4: Simplify right side
    140,147.80x = 10,805,002,634.95
  5. Step 5: Solve for x
    x = 10,805,002,634.95/140,147.80
  6. Step 6: Final answer
    x = 77,097.20

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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.