Home / 147,229.78-220,848.30-53,735.50

Finding the Fourth Proportional to 147,229.78, 220,848.30 and 53,735.50

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Solution

The fourth proportional to 147,229.78, 220,848.30 and 53,735.50 is: 80,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,229.78 : 220,848.30 = 53,735.50 : x
  2. Step 2: Convert to fraction form
    147,229.78/220,848.30 = 53,735.50/x
  3. Step 3: Cross multiply
    147,229.78x = 220,848.30 × 53,735.50
  4. Step 4: Simplify right side
    147,229.78x = 11,867,393,824.65
  5. Step 5: Solve for x
    x = 11,867,393,824.65/147,229.78
  6. Step 6: Final answer
    x = 80,604.57

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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.