Home / 161,945.92-242,948.04-77,634.64

Finding the Fourth Proportional to 161,945.92, 242,948.04 and 77,634.64

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Solution

The fourth proportional to 161,945.92, 242,948.04 and 77,634.64 is: 116,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,945.92 : 242,948.04 = 77,634.64 : x
  2. Step 2: Convert to fraction form
    161,945.92/242,948.04 = 77,634.64/x
  3. Step 3: Cross multiply
    161,945.92x = 242,948.04 × 77,634.64
  4. Step 4: Simplify right side
    161,945.92x = 18,861,183,624.11
  5. Step 5: Solve for x
    x = 18,861,183,624.11/161,945.92
  6. Step 6: Final answer
    x = 116,465.94

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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.