Home / 156,635.76-234,993.72-51,455.64

Finding the Fourth Proportional to 156,635.76, 234,993.72 and 51,455.64

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Solution

The fourth proportional to 156,635.76, 234,993.72 and 51,455.64 is: 77,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,635.76 : 234,993.72 = 51,455.64 : x
  2. Step 2: Convert to fraction form
    156,635.76/234,993.72 = 51,455.64/x
  3. Step 3: Cross multiply
    156,635.76x = 234,993.72 × 51,455.64
  4. Step 4: Simplify right side
    156,635.76x = 12,091,752,258.58
  5. Step 5: Solve for x
    x = 12,091,752,258.58/156,635.76
  6. Step 6: Final answer
    x = 77,196.63

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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.