Home / 175,513.40-263,270.10-138,188.60

Finding the Fourth Proportional to 175,513.40, 263,270.10 and 138,188.60

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Solution

The fourth proportional to 175,513.40, 263,270.10 and 138,188.60 is: 207,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,513.40 : 263,270.10 = 138,188.60 : x
  2. Step 2: Convert to fraction form
    175,513.40/263,270.10 = 138,188.60/x
  3. Step 3: Cross multiply
    175,513.40x = 263,270.10 × 138,188.60
  4. Step 4: Simplify right side
    175,513.40x = 36,380,926,540.86
  5. Step 5: Solve for x
    x = 36,380,926,540.86/175,513.40
  6. Step 6: Final answer
    x = 207,282.90

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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.