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Finding the Fourth Proportional to 125,606, 173,336.58 and 68,245.52

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Solution

The fourth proportional to 125,606, 173,336.58 and 68,245.52 is: 94,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,606 : 173,336.58 = 68,245.52 : x
  2. Step 2: Convert to fraction form
    125,606/173,336.58 = 68,245.52/x
  3. Step 3: Cross multiply
    125,606x = 173,336.58 × 68,245.52
  4. Step 4: Simplify right side
    125,606x = 11,829,445,037.12
  5. Step 5: Solve for x
    x = 11,829,445,037.12/125,606
  6. Step 6: Final answer
    x = 94,178.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.