Home / 168,403.26-252,652.27-73,641.76

Finding the Fourth Proportional to 168,403.26, 252,652.27 and 73,641.76

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Solution

The fourth proportional to 168,403.26, 252,652.27 and 73,641.76 is: 110,483.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,403.26 : 252,652.27 = 73,641.76 : x
  2. Step 2: Convert to fraction form
    168,403.26/252,652.27 = 73,641.76/x
  3. Step 3: Cross multiply
    168,403.26x = 252,652.27 × 73,641.76
  4. Step 4: Simplify right side
    168,403.26x = 18,605,757,830.80
  5. Step 5: Solve for x
    x = 18,605,757,830.80/168,403.26
  6. Step 6: Final answer
    x = 110,483.36

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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.