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Finding the Fourth Proportional to 179,908.50, 248,295.60 and 104,457

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Solution

The fourth proportional to 179,908.50, 248,295.60 and 104,457 is: 144,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,908.50 : 248,295.60 = 104,457 : x
  2. Step 2: Convert to fraction form
    179,908.50/248,295.60 = 104,457/x
  3. Step 3: Cross multiply
    179,908.50x = 248,295.60 × 104,457
  4. Step 4: Simplify right side
    179,908.50x = 25,936,213,489.20
  5. Step 5: Solve for x
    x = 25,936,213,489.20/179,908.50
  6. Step 6: Final answer
    x = 144,163.36

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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.