Home / 146,667.52-220,001.28-76,530.43

Finding the Fourth Proportional to 146,667.52, 220,001.28 and 76,530.43

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Solution

The fourth proportional to 146,667.52, 220,001.28 and 76,530.43 is: 114,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,667.52 : 220,001.28 = 76,530.43 : x
  2. Step 2: Convert to fraction form
    146,667.52/220,001.28 = 76,530.43/x
  3. Step 3: Cross multiply
    146,667.52x = 220,001.28 × 76,530.43
  4. Step 4: Simplify right side
    146,667.52x = 16,836,792,558.95
  5. Step 5: Solve for x
    x = 16,836,792,558.95/146,667.52
  6. Step 6: Final answer
    x = 114,795.65

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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.