Home / 135,811.08-203,600.79-51,524.10

Finding the Fourth Proportional to 135,811.08, 203,600.79 and 51,524.10

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Solution

The fourth proportional to 135,811.08, 203,600.79 and 51,524.10 is: 77,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,811.08 : 203,600.79 = 51,524.10 : x
  2. Step 2: Convert to fraction form
    135,811.08/203,600.79 = 51,524.10/x
  3. Step 3: Cross multiply
    135,811.08x = 203,600.79 × 51,524.10
  4. Step 4: Simplify right side
    135,811.08x = 10,490,347,464.04
  5. Step 5: Solve for x
    x = 10,490,347,464.04/135,811.08
  6. Step 6: Final answer
    x = 77,242.21

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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.