Home / 156,120.80-234,180.24-50,939.84

Finding the Fourth Proportional to 156,120.80, 234,180.24 and 50,939.84

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Solution

The fourth proportional to 156,120.80, 234,180.24 and 50,939.84 is: 76,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,120.80 : 234,180.24 = 50,939.84 : x
  2. Step 2: Convert to fraction form
    156,120.80/234,180.24 = 50,939.84/x
  3. Step 3: Cross multiply
    156,120.80x = 234,180.24 × 50,939.84
  4. Step 4: Simplify right side
    156,120.80x = 11,929,103,956.76
  5. Step 5: Solve for x
    x = 11,929,103,956.76/156,120.80
  6. Step 6: Final answer
    x = 76,409.45

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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.