Home / 156,974.10-235,455.90-68,227.62

Finding the Fourth Proportional to 156,974.10, 235,455.90 and 68,227.62

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Solution

The fourth proportional to 156,974.10, 235,455.90 and 68,227.62 is: 102,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.10 : 235,455.90 = 68,227.62 : x
  2. Step 2: Convert to fraction form
    156,974.10/235,455.90 = 68,227.62/x
  3. Step 3: Cross multiply
    156,974.10x = 235,455.90 × 68,227.62
  4. Step 4: Simplify right side
    156,974.10x = 16,064,595,671.96
  5. Step 5: Solve for x
    x = 16,064,595,671.96/156,974.10
  6. Step 6: Final answer
    x = 102,339.15

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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.