Home / 140,540.58-210,825.63-45,778.15

Finding the Fourth Proportional to 140,540.58, 210,825.63 and 45,778.15

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Solution

The fourth proportional to 140,540.58, 210,825.63 and 45,778.15 is: 68,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,540.58 : 210,825.63 = 45,778.15 : x
  2. Step 2: Convert to fraction form
    140,540.58/210,825.63 = 45,778.15/x
  3. Step 3: Cross multiply
    140,540.58x = 210,825.63 × 45,778.15
  4. Step 4: Simplify right side
    140,540.58x = 9,651,206,259.86
  5. Step 5: Solve for x
    x = 9,651,206,259.86/140,540.58
  6. Step 6: Final answer
    x = 68,672.03

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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.