Home / 140,851.78-211,360.70-52,167.56

Finding the Fourth Proportional to 140,851.78, 211,360.70 and 52,167.56

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Solution

The fourth proportional to 140,851.78, 211,360.70 and 52,167.56 is: 78,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,851.78 : 211,360.70 = 52,167.56 : x
  2. Step 2: Convert to fraction form
    140,851.78/211,360.70 = 52,167.56/x
  3. Step 3: Cross multiply
    140,851.78x = 211,360.70 × 52,167.56
  4. Step 4: Simplify right side
    140,851.78x = 11,026,171,998.89
  5. Step 5: Solve for x
    x = 11,026,171,998.89/140,851.78
  6. Step 6: Final answer
    x = 78,282.09

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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.