Home / 140,914.60-211,487.10-136,306.60

Finding the Fourth Proportional to 140,914.60, 211,487.10 and 136,306.60

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Solution

The fourth proportional to 140,914.60, 211,487.10 and 136,306.60 is: 204,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,914.60 : 211,487.10 = 136,306.60 : x
  2. Step 2: Convert to fraction form
    140,914.60/211,487.10 = 136,306.60/x
  3. Step 3: Cross multiply
    140,914.60x = 211,487.10 × 136,306.60
  4. Step 4: Simplify right side
    140,914.60x = 28,827,087,544.86
  5. Step 5: Solve for x
    x = 28,827,087,544.86/140,914.60
  6. Step 6: Final answer
    x = 204,571.33

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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.