Home / 140,809.05-211,211.75-34,193.88

Finding the Fourth Proportional to 140,809.05, 211,211.75 and 34,193.88

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Solution

The fourth proportional to 140,809.05, 211,211.75 and 34,193.88 is: 51,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,809.05 : 211,211.75 = 34,193.88 : x
  2. Step 2: Convert to fraction form
    140,809.05/211,211.75 = 34,193.88/x
  3. Step 3: Cross multiply
    140,809.05x = 211,211.75 × 34,193.88
  4. Step 4: Simplify right side
    140,809.05x = 7,222,149,319.57
  5. Step 5: Solve for x
    x = 7,222,149,319.57/140,809.05
  6. Step 6: Final answer
    x = 51,290.38

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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.