Home / 161,940.03-242,906.40-73,169.70

Finding the Fourth Proportional to 161,940.03, 242,906.40 and 73,169.70

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Solution

The fourth proportional to 161,940.03, 242,906.40 and 73,169.70 is: 109,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,940.03 : 242,906.40 = 73,169.70 : x
  2. Step 2: Convert to fraction form
    161,940.03/242,906.40 = 73,169.70/x
  3. Step 3: Cross multiply
    161,940.03x = 242,906.40 × 73,169.70
  4. Step 4: Simplify right side
    161,940.03x = 17,773,388,416.08
  5. Step 5: Solve for x
    x = 17,773,388,416.08/161,940.03
  6. Step 6: Final answer
    x = 109,752.90

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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.