Home / 148,738.53-223,196.45-53,976.12

Finding the Fourth Proportional to 148,738.53, 223,196.45 and 53,976.12

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Solution

The fourth proportional to 148,738.53, 223,196.45 and 53,976.12 is: 80,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,738.53 : 223,196.45 = 53,976.12 : x
  2. Step 2: Convert to fraction form
    148,738.53/223,196.45 = 53,976.12/x
  3. Step 3: Cross multiply
    148,738.53x = 223,196.45 × 53,976.12
  4. Step 4: Simplify right side
    148,738.53x = 12,047,276,982.91
  5. Step 5: Solve for x
    x = 12,047,276,982.91/148,738.53
  6. Step 6: Final answer
    x = 80,996.34

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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.