Home / 178,828.26-268,241.32-45,708.30

Finding the Fourth Proportional to 178,828.26, 268,241.32 and 45,708.30

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Solution

The fourth proportional to 178,828.26, 268,241.32 and 45,708.30 is: 68,562.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,828.26 : 268,241.32 = 45,708.30 : x
  2. Step 2: Convert to fraction form
    178,828.26/268,241.32 = 45,708.30/x
  3. Step 3: Cross multiply
    178,828.26x = 268,241.32 × 45,708.30
  4. Step 4: Simplify right side
    178,828.26x = 12,260,854,784.09
  5. Step 5: Solve for x
    x = 12,260,854,784.09/178,828.26
  6. Step 6: Final answer
    x = 68,562.18

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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.