Home / 168,186.08-252,353.64-89,281.28

Finding the Fourth Proportional to 168,186.08, 252,353.64 and 89,281.28

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Solution

The fourth proportional to 168,186.08, 252,353.64 and 89,281.28 is: 133,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,186.08 : 252,353.64 = 89,281.28 : x
  2. Step 2: Convert to fraction form
    168,186.08/252,353.64 = 89,281.28/x
  3. Step 3: Cross multiply
    168,186.08x = 252,353.64 × 89,281.28
  4. Step 4: Simplify right side
    168,186.08x = 22,530,455,991.86
  5. Step 5: Solve for x
    x = 22,530,455,991.86/168,186.08
  6. Step 6: Final answer
    x = 133,961.48

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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.