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Finding the Fourth Proportional to 179,967, 248,354.48 and 104,520.36

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Solution

The fourth proportional to 179,967, 248,354.48 and 104,520.36 is: 144,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,967 : 248,354.48 = 104,520.36 : x
  2. Step 2: Convert to fraction form
    179,967/248,354.48 = 104,520.36/x
  3. Step 3: Cross multiply
    179,967x = 248,354.48 × 104,520.36
  4. Step 4: Simplify right side
    179,967x = 25,958,099,657.21
  5. Step 5: Solve for x
    x = 25,958,099,657.21/179,967
  6. Step 6: Final answer
    x = 144,238.11

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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.