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Finding the Fourth Proportional to 243,063.66, 335,427.87 and 134,168.03

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Solution

The fourth proportional to 243,063.66, 335,427.87 and 134,168.03 is: 185,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,063.66 : 335,427.87 = 134,168.03 : x
  2. Step 2: Convert to fraction form
    243,063.66/335,427.87 = 134,168.03/x
  3. Step 3: Cross multiply
    243,063.66x = 335,427.87 × 134,168.03
  4. Step 4: Simplify right side
    243,063.66x = 45,003,695,183.28
  5. Step 5: Solve for x
    x = 45,003,695,183.28/243,063.66
  6. Step 6: Final answer
    x = 185,151.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.