Home / 135,402.20-203,112.52-35,562.22

Finding the Fourth Proportional to 135,402.20, 203,112.52 and 35,562.22

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Solution

The fourth proportional to 135,402.20, 203,112.52 and 35,562.22 is: 53,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,402.20 : 203,112.52 = 35,562.22 : x
  2. Step 2: Convert to fraction form
    135,402.20/203,112.52 = 35,562.22/x
  3. Step 3: Cross multiply
    135,402.20x = 203,112.52 × 35,562.22
  4. Step 4: Simplify right side
    135,402.20x = 7,223,131,524.31
  5. Step 5: Solve for x
    x = 7,223,131,524.31/135,402.20
  6. Step 6: Final answer
    x = 53,345.75

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1.5x scale

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.