Home / 178,968.66-268,446.78-45,850.22

Finding the Fourth Proportional to 178,968.66, 268,446.78 and 45,850.22

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Solution

The fourth proportional to 178,968.66, 268,446.78 and 45,850.22 is: 68,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,968.66 : 268,446.78 = 45,850.22 : x
  2. Step 2: Convert to fraction form
    178,968.66/268,446.78 = 45,850.22/x
  3. Step 3: Cross multiply
    178,968.66x = 268,446.78 × 45,850.22
  4. Step 4: Simplify right side
    178,968.66x = 12,308,343,921.29
  5. Step 5: Solve for x
    x = 12,308,343,921.29/178,968.66
  6. Step 6: Final answer
    x = 68,773.74

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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.