Home / 156,951.84-235,295.04-68,138.16

Finding the Fourth Proportional to 156,951.84, 235,295.04 and 68,138.16

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Solution

The fourth proportional to 156,951.84, 235,295.04 and 68,138.16 is: 102,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.84 : 235,295.04 = 68,138.16 : x
  2. Step 2: Convert to fraction form
    156,951.84/235,295.04 = 68,138.16/x
  3. Step 3: Cross multiply
    156,951.84x = 235,295.04 × 68,138.16
  4. Step 4: Simplify right side
    156,951.84x = 16,032,571,082.73
  5. Step 5: Solve for x
    x = 16,032,571,082.73/156,951.84
  6. Step 6: Final answer
    x = 102,149.62

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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.