Home / 156,620.15-234,930.23-51,442.55

Finding the Fourth Proportional to 156,620.15, 234,930.23 and 51,442.55

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Solution

The fourth proportional to 156,620.15, 234,930.23 and 51,442.55 is: 77,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,620.15 : 234,930.23 = 51,442.55 : x
  2. Step 2: Convert to fraction form
    156,620.15/234,930.23 = 51,442.55/x
  3. Step 3: Cross multiply
    156,620.15x = 234,930.23 × 51,442.55
  4. Step 4: Simplify right side
    156,620.15x = 12,085,410,103.29
  5. Step 5: Solve for x
    x = 12,085,410,103.29/156,620.15
  6. Step 6: Final answer
    x = 77,163.83

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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.