Home / 146,631.45-219,903.30-76,472.49

Finding the Fourth Proportional to 146,631.45, 219,903.30 and 76,472.49

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Solution

The fourth proportional to 146,631.45, 219,903.30 and 76,472.49 is: 114,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,631.45 : 219,903.30 = 76,472.49 : x
  2. Step 2: Convert to fraction form
    146,631.45/219,903.30 = 76,472.49/x
  3. Step 3: Cross multiply
    146,631.45x = 219,903.30 × 76,472.49
  4. Step 4: Simplify right side
    146,631.45x = 16,816,552,910.22
  5. Step 5: Solve for x
    x = 16,816,552,910.22/146,631.45
  6. Step 6: Final answer
    x = 114,685.85

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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.