Home / 146,126.88-219,253.46-78,579.96

Finding the Fourth Proportional to 146,126.88, 219,253.46 and 78,579.96

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Solution

The fourth proportional to 146,126.88, 219,253.46 and 78,579.96 is: 117,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,126.88 : 219,253.46 = 78,579.96 : x
  2. Step 2: Convert to fraction form
    146,126.88/219,253.46 = 78,579.96/x
  3. Step 3: Cross multiply
    146,126.88x = 219,253.46 × 78,579.96
  4. Step 4: Simplify right side
    146,126.88x = 17,228,928,355.87
  5. Step 5: Solve for x
    x = 17,228,928,355.87/146,126.88
  6. Step 6: Final answer
    x = 117,903.90

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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.