Home / 140,540.33-210,825.26-45,777.90

Finding the Fourth Proportional to 140,540.33, 210,825.26 and 45,777.90

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Solution

The fourth proportional to 140,540.33, 210,825.26 and 45,777.90 is: 68,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,540.33 : 210,825.26 = 45,777.90 : x
  2. Step 2: Convert to fraction form
    140,540.33/210,825.26 = 45,777.90/x
  3. Step 3: Cross multiply
    140,540.33x = 210,825.26 × 45,777.90
  4. Step 4: Simplify right side
    140,540.33x = 9,651,137,669.75
  5. Step 5: Solve for x
    x = 9,651,137,669.75/140,540.33
  6. Step 6: Final answer
    x = 68,671.66

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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.