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Finding the Fourth Proportional to 140,525.85, 210,786.75 and 35,344.11

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Solution

The fourth proportional to 140,525.85, 210,786.75 and 35,344.11 is: 53,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,525.85 : 210,786.75 = 35,344.11 : x
  2. Step 2: Convert to fraction form
    140,525.85/210,786.75 = 35,344.11/x
  3. Step 3: Cross multiply
    140,525.85x = 210,786.75 × 35,344.11
  4. Step 4: Simplify right side
    140,525.85x = 7,450,070,078.54
  5. Step 5: Solve for x
    x = 7,450,070,078.54/140,525.85
  6. Step 6: Final answer
    x = 53,015.66

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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.