Home / 178,995.72-268,546.86-73,821

Finding the Fourth Proportional to 178,995.72, 268,546.86 and 73,821

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Solution

The fourth proportional to 178,995.72, 268,546.86 and 73,821 is: 110,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,995.72 : 268,546.86 = 73,821 : x
  2. Step 2: Convert to fraction form
    178,995.72/268,546.86 = 73,821/x
  3. Step 3: Cross multiply
    178,995.72x = 268,546.86 × 73,821
  4. Step 4: Simplify right side
    178,995.72x = 19,824,397,752.06
  5. Step 5: Solve for x
    x = 19,824,397,752.06/178,995.72
  6. Step 6: Final answer
    x = 110,753.47

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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.