Home / 156,255.30-234,388.74-80,333.52

Finding the Fourth Proportional to 156,255.30, 234,388.74 and 80,333.52

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Solution

The fourth proportional to 156,255.30, 234,388.74 and 80,333.52 is: 120,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,255.30 : 234,388.74 = 80,333.52 : x
  2. Step 2: Convert to fraction form
    156,255.30/234,388.74 = 80,333.52/x
  3. Step 3: Cross multiply
    156,255.30x = 234,388.74 × 80,333.52
  4. Step 4: Simplify right side
    156,255.30x = 18,829,272,532.56
  5. Step 5: Solve for x
    x = 18,829,272,532.56/156,255.30
  6. Step 6: Final answer
    x = 120,503.26

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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.