Home / 140,575.72-210,344.22-84,449.80

Finding the Fourth Proportional to 140,575.72, 210,344.22 and 84,449.80

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Solution

The fourth proportional to 140,575.72, 210,344.22 and 84,449.80 is: 126,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,575.72 : 210,344.22 = 84,449.80 : x
  2. Step 2: Convert to fraction form
    140,575.72/210,344.22 = 84,449.80/x
  3. Step 3: Cross multiply
    140,575.72x = 210,344.22 × 84,449.80
  4. Step 4: Simplify right side
    140,575.72x = 17,763,527,310.16
  5. Step 5: Solve for x
    x = 17,763,527,310.16/140,575.72
  6. Step 6: Final answer
    x = 126,362.70

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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.