Home / 74,170.30-111,138.75-57,344.41

Finding the Fourth Proportional to 74,170.30, 111,138.75 and 57,344.41

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Solution

The fourth proportional to 74,170.30, 111,138.75 and 57,344.41 is: 85,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,170.30 : 111,138.75 = 57,344.41 : x
  2. Step 2: Convert to fraction form
    74,170.30/111,138.75 = 57,344.41/x
  3. Step 3: Cross multiply
    74,170.30x = 111,138.75 × 57,344.41
  4. Step 4: Simplify right side
    74,170.30x = 6,373,186,046.89
  5. Step 5: Solve for x
    x = 6,373,186,046.89/74,170.30
  6. Step 6: Final answer
    x = 85,926.39

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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.