Home / 140,002.26-209,960.25-40,135.74

Finding the Fourth Proportional to 140,002.26, 209,960.25 and 40,135.74

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Solution

The fourth proportional to 140,002.26, 209,960.25 and 40,135.74 is: 60,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,002.26 : 209,960.25 = 40,135.74 : x
  2. Step 2: Convert to fraction form
    140,002.26/209,960.25 = 40,135.74/x
  3. Step 3: Cross multiply
    140,002.26x = 209,960.25 × 40,135.74
  4. Step 4: Simplify right side
    140,002.26x = 8,426,910,004.34
  5. Step 5: Solve for x
    x = 8,426,910,004.34/140,002.26
  6. Step 6: Final answer
    x = 60,191.24

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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.