Home / 161,769.90-242,654.85-136,109.10

Finding the Fourth Proportional to 161,769.90, 242,654.85 and 136,109.10

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Solution

The fourth proportional to 161,769.90, 242,654.85 and 136,109.10 is: 204,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,769.90 : 242,654.85 = 136,109.10 : x
  2. Step 2: Convert to fraction form
    161,769.90/242,654.85 = 136,109.10/x
  3. Step 3: Cross multiply
    161,769.90x = 242,654.85 × 136,109.10
  4. Step 4: Simplify right side
    161,769.90x = 33,027,533,244.14
  5. Step 5: Solve for x
    x = 33,027,533,244.14/161,769.90
  6. Step 6: Final answer
    x = 204,163.65

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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.