Home / 142,249.64-213,400.38-48,734.60

Finding the Fourth Proportional to 142,249.64, 213,400.38 and 48,734.60

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Solution

The fourth proportional to 142,249.64, 213,400.38 and 48,734.60 is: 73,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,249.64 : 213,400.38 = 48,734.60 : x
  2. Step 2: Convert to fraction form
    142,249.64/213,400.38 = 48,734.60/x
  3. Step 3: Cross multiply
    142,249.64x = 213,400.38 × 48,734.60
  4. Step 4: Simplify right side
    142,249.64x = 10,399,982,159.15
  5. Step 5: Solve for x
    x = 10,399,982,159.15/142,249.64
  6. Step 6: Final answer
    x = 73,110.78

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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.