Home / 135,747.25-203,650.12-40,969.50

Finding the Fourth Proportional to 135,747.25, 203,650.12 and 40,969.50

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Solution

The fourth proportional to 135,747.25, 203,650.12 and 40,969.50 is: 61,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,747.25 : 203,650.12 = 40,969.50 : x
  2. Step 2: Convert to fraction form
    135,747.25/203,650.12 = 40,969.50/x
  3. Step 3: Cross multiply
    135,747.25x = 203,650.12 × 40,969.50
  4. Step 4: Simplify right side
    135,747.25x = 8,343,443,591.34
  5. Step 5: Solve for x
    x = 8,343,443,591.34/135,747.25
  6. Step 6: Final answer
    x = 61,463.08

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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.