Home / 135,736.22-187,317.10-75,310.80

Finding the Fourth Proportional to 135,736.22, 187,317.10 and 75,310.80

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Solution

The fourth proportional to 135,736.22, 187,317.10 and 75,310.80 is: 103,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,736.22 : 187,317.10 = 75,310.80 : x
  2. Step 2: Convert to fraction form
    135,736.22/187,317.10 = 75,310.80/x
  3. Step 3: Cross multiply
    135,736.22x = 187,317.10 × 75,310.80
  4. Step 4: Simplify right side
    135,736.22x = 14,107,000,654.68
  5. Step 5: Solve for x
    x = 14,107,000,654.68/135,736.22
  6. Step 6: Final answer
    x = 103,929.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.