Home / 156,974.78-235,403.85-51,765.50

Finding the Fourth Proportional to 156,974.78, 235,403.85 and 51,765.50

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Solution

The fourth proportional to 156,974.78, 235,403.85 and 51,765.50 is: 77,629.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.78 : 235,403.85 = 51,765.50 : x
  2. Step 2: Convert to fraction form
    156,974.78/235,403.85 = 51,765.50/x
  3. Step 3: Cross multiply
    156,974.78x = 235,403.85 × 51,765.50
  4. Step 4: Simplify right side
    156,974.78x = 12,185,797,997.18
  5. Step 5: Solve for x
    x = 12,185,797,997.18/156,974.78
  6. Step 6: Final answer
    x = 77,629.02

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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.