Home / 178,758.24-268,137.09-45,638.52

Finding the Fourth Proportional to 178,758.24, 268,137.09 and 45,638.52

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Solution

The fourth proportional to 178,758.24, 268,137.09 and 45,638.52 is: 68,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,758.24 : 268,137.09 = 45,638.52 : x
  2. Step 2: Convert to fraction form
    178,758.24/268,137.09 = 45,638.52/x
  3. Step 3: Cross multiply
    178,758.24x = 268,137.09 × 45,638.52
  4. Step 4: Simplify right side
    178,758.24x = 12,237,379,944.71
  5. Step 5: Solve for x
    x = 12,237,379,944.71/178,758.24
  6. Step 6: Final answer
    x = 68,457.71

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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.