Home / 178,758.32-268,137.25-45,638.60

Finding the Fourth Proportional to 178,758.32, 268,137.25 and 45,638.60

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Solution

The fourth proportional to 178,758.32, 268,137.25 and 45,638.60 is: 68,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,758.32 : 268,137.25 = 45,638.60 : x
  2. Step 2: Convert to fraction form
    178,758.32/268,137.25 = 45,638.60/x
  3. Step 3: Cross multiply
    178,758.32x = 268,137.25 × 45,638.60
  4. Step 4: Simplify right side
    178,758.32x = 12,237,408,469.66
  5. Step 5: Solve for x
    x = 12,237,408,469.66/178,758.32
  6. Step 6: Final answer
    x = 68,457.84

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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.