Home / 140,688.90-211,044.29-40,850.73

Finding the Fourth Proportional to 140,688.90, 211,044.29 and 40,850.73

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Solution

The fourth proportional to 140,688.90, 211,044.29 and 40,850.73 is: 61,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,688.90 : 211,044.29 = 40,850.73 : x
  2. Step 2: Convert to fraction form
    140,688.90/211,044.29 = 40,850.73/x
  3. Step 3: Cross multiply
    140,688.90x = 211,044.29 × 40,850.73
  4. Step 4: Simplify right side
    140,688.90x = 8,621,313,104.58
  5. Step 5: Solve for x
    x = 8,621,313,104.58/140,688.90
  6. Step 6: Final answer
    x = 61,279.27

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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.