Home / 122,949.20-184,423.80-109,663.18

Finding the Fourth Proportional to 122,949.20, 184,423.80 and 109,663.18

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Solution

The fourth proportional to 122,949.20, 184,423.80 and 109,663.18 is: 164,494.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,949.20 : 184,423.80 = 109,663.18 : x
  2. Step 2: Convert to fraction form
    122,949.20/184,423.80 = 109,663.18/x
  3. Step 3: Cross multiply
    122,949.20x = 184,423.80 × 109,663.18
  4. Step 4: Simplify right side
    122,949.20x = 20,224,500,375.68
  5. Step 5: Solve for x
    x = 20,224,500,375.68/122,949.20
  6. Step 6: Final answer
    x = 164,494.77

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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.