Home / 168,664.20-253,040.10-50,335.54

Finding the Fourth Proportional to 168,664.20, 253,040.10 and 50,335.54

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Solution

The fourth proportional to 168,664.20, 253,040.10 and 50,335.54 is: 75,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,664.20 : 253,040.10 = 50,335.54 : x
  2. Step 2: Convert to fraction form
    168,664.20/253,040.10 = 50,335.54/x
  3. Step 3: Cross multiply
    168,664.20x = 253,040.10 × 50,335.54
  4. Step 4: Simplify right side
    168,664.20x = 12,736,910,075.15
  5. Step 5: Solve for x
    x = 12,736,910,075.15/168,664.20
  6. Step 6: Final answer
    x = 75,516.38

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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.