Home / 142,680.11-214,029.39-47,906.46

Finding the Fourth Proportional to 142,680.11, 214,029.39 and 47,906.46

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Solution

The fourth proportional to 142,680.11, 214,029.39 and 47,906.46 is: 71,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,680.11 : 214,029.39 = 47,906.46 : x
  2. Step 2: Convert to fraction form
    142,680.11/214,029.39 = 47,906.46/x
  3. Step 3: Cross multiply
    142,680.11x = 214,029.39 × 47,906.46
  4. Step 4: Simplify right side
    142,680.11x = 10,253,390,410.86
  5. Step 5: Solve for x
    x = 10,253,390,410.86/142,680.11
  6. Step 6: Final answer
    x = 71,862.79

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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.