Home / 156,682.36-234,999.20-51,500.60

Finding the Fourth Proportional to 156,682.36, 234,999.20 and 51,500.60

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Solution

The fourth proportional to 156,682.36, 234,999.20 and 51,500.60 is: 77,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,682.36 : 234,999.20 = 51,500.60 : x
  2. Step 2: Convert to fraction form
    156,682.36/234,999.20 = 51,500.60/x
  3. Step 3: Cross multiply
    156,682.36x = 234,999.20 × 51,500.60
  4. Step 4: Simplify right side
    156,682.36x = 12,102,599,799.52
  5. Step 5: Solve for x
    x = 12,102,599,799.52/156,682.36
  6. Step 6: Final answer
    x = 77,242.90

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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.