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Finding the Fourth Proportional to 125,820.70, 173,629.38 and 68,457.58

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Solution

The fourth proportional to 125,820.70, 173,629.38 and 68,457.58 is: 94,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,820.70 : 173,629.38 = 68,457.58 : x
  2. Step 2: Convert to fraction form
    125,820.70/173,629.38 = 68,457.58/x
  3. Step 3: Cross multiply
    125,820.70x = 173,629.38 × 68,457.58
  4. Step 4: Simplify right side
    125,820.70x = 11,886,247,171.70
  5. Step 5: Solve for x
    x = 11,886,247,171.70/125,820.70
  6. Step 6: Final answer
    x = 94,469.73

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