Home / 140,449.35-210,727.23-84,328.65

Finding the Fourth Proportional to 140,449.35, 210,727.23 and 84,328.65

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Solution

The fourth proportional to 140,449.35, 210,727.23 and 84,328.65 is: 126,524.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,449.35 : 210,727.23 = 84,328.65 : x
  2. Step 2: Convert to fraction form
    140,449.35/210,727.23 = 84,328.65/x
  3. Step 3: Cross multiply
    140,449.35x = 210,727.23 × 84,328.65
  4. Step 4: Simplify right side
    140,449.35x = 17,770,342,824.14
  5. Step 5: Solve for x
    x = 17,770,342,824.14/140,449.35
  6. Step 6: Final answer
    x = 126,524.92

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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.