Home / 74,741.56-112,093.24-22,138.74

Finding the Fourth Proportional to 74,741.56, 112,093.24 and 22,138.74

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Solution

The fourth proportional to 74,741.56, 112,093.24 and 22,138.74 is: 33,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,741.56 : 112,093.24 = 22,138.74 : x
  2. Step 2: Convert to fraction form
    74,741.56/112,093.24 = 22,138.74/x
  3. Step 3: Cross multiply
    74,741.56x = 112,093.24 × 22,138.74
  4. Step 4: Simplify right side
    74,741.56x = 2,481,603,096.12
  5. Step 5: Solve for x
    x = 2,481,603,096.12/74,741.56
  6. Step 6: Final answer
    x = 33,202.45

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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.