Home / 161,621.85-242,432.96-49,296.12

Finding the Fourth Proportional to 161,621.85, 242,432.96 and 49,296.12

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Solution

The fourth proportional to 161,621.85, 242,432.96 and 49,296.12 is: 73,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,621.85 : 242,432.96 = 49,296.12 : x
  2. Step 2: Convert to fraction form
    161,621.85/242,432.96 = 49,296.12/x
  3. Step 3: Cross multiply
    161,621.85x = 242,432.96 × 49,296.12
  4. Step 4: Simplify right side
    161,621.85x = 11,951,004,288.12
  5. Step 5: Solve for x
    x = 11,951,004,288.12/161,621.85
  6. Step 6: Final answer
    x = 73,944.24

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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.