Home / 178,738.98-268,108.26-45,619.26

Finding the Fourth Proportional to 178,738.98, 268,108.26 and 45,619.26

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Solution

The fourth proportional to 178,738.98, 268,108.26 and 45,619.26 is: 68,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,738.98 : 268,108.26 = 45,619.26 : x
  2. Step 2: Convert to fraction form
    178,738.98/268,108.26 = 45,619.26/x
  3. Step 3: Cross multiply
    178,738.98x = 268,108.26 × 45,619.26
  4. Step 4: Simplify right side
    178,738.98x = 12,230,900,421.09
  5. Step 5: Solve for x
    x = 12,230,900,421.09/178,738.98
  6. Step 6: Final answer
    x = 68,428.84

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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.