Home / 142,974.88-214,415.36-48,179.60

Finding the Fourth Proportional to 142,974.88, 214,415.36 and 48,179.60

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Solution

The fourth proportional to 142,974.88, 214,415.36 and 48,179.60 is: 72,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,974.88 : 214,415.36 = 48,179.60 : x
  2. Step 2: Convert to fraction form
    142,974.88/214,415.36 = 48,179.60/x
  3. Step 3: Cross multiply
    142,974.88x = 214,415.36 × 48,179.60
  4. Step 4: Simplify right side
    142,974.88x = 10,330,446,278.66
  5. Step 5: Solve for x
    x = 10,330,446,278.66/142,974.88
  6. Step 6: Final answer
    x = 72,253.58

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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.