Home / 142,679.75-214,028.84-47,906.10

Finding the Fourth Proportional to 142,679.75, 214,028.84 and 47,906.10

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Solution

The fourth proportional to 142,679.75, 214,028.84 and 47,906.10 is: 71,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,679.75 : 214,028.84 = 47,906.10 : x
  2. Step 2: Convert to fraction form
    142,679.75/214,028.84 = 47,906.10/x
  3. Step 3: Cross multiply
    142,679.75x = 214,028.84 × 47,906.10
  4. Step 4: Simplify right side
    142,679.75x = 10,253,286,772.39
  5. Step 5: Solve for x
    x = 10,253,286,772.39/142,679.75
  6. Step 6: Final answer
    x = 71,862.24

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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.