Home / 135,764.85-203,676.57-40,987.17

Finding the Fourth Proportional to 135,764.85, 203,676.57 and 40,987.17

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Solution

The fourth proportional to 135,764.85, 203,676.57 and 40,987.17 is: 61,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,764.85 : 203,676.57 = 40,987.17 : x
  2. Step 2: Convert to fraction form
    135,764.85/203,676.57 = 40,987.17/x
  3. Step 3: Cross multiply
    135,764.85x = 203,676.57 × 40,987.17
  4. Step 4: Simplify right side
    135,764.85x = 8,348,126,199.61
  5. Step 5: Solve for x
    x = 8,348,126,199.61/135,764.85
  6. Step 6: Final answer
    x = 61,489.60

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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.