Home / 140,149.62-210,278.70-51,464.34

Finding the Fourth Proportional to 140,149.62, 210,278.70 and 51,464.34

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Solution

The fourth proportional to 140,149.62, 210,278.70 and 51,464.34 is: 77,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,149.62 : 210,278.70 = 51,464.34 : x
  2. Step 2: Convert to fraction form
    140,149.62/210,278.70 = 51,464.34/x
  3. Step 3: Cross multiply
    140,149.62x = 210,278.70 × 51,464.34
  4. Step 4: Simplify right side
    140,149.62x = 10,821,854,511.56
  5. Step 5: Solve for x
    x = 10,821,854,511.56/140,149.62
  6. Step 6: Final answer
    x = 77,216.44

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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.