Home / 135,755.42-203,662.38-40,977.66

Finding the Fourth Proportional to 135,755.42, 203,662.38 and 40,977.66

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Solution

The fourth proportional to 135,755.42, 203,662.38 and 40,977.66 is: 61,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,755.42 : 203,662.38 = 40,977.66 : x
  2. Step 2: Convert to fraction form
    135,755.42/203,662.38 = 40,977.66/x
  3. Step 3: Cross multiply
    135,755.42x = 203,662.38 × 40,977.66
  4. Step 4: Simplify right side
    135,755.42x = 8,345,607,762.43
  5. Step 5: Solve for x
    x = 8,345,607,762.43/135,755.42
  6. Step 6: Final answer
    x = 61,475.32

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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.