Home / 168,384.90-252,357.96-68,428.26

Finding the Fourth Proportional to 168,384.90, 252,357.96 and 68,428.26

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Solution

The fourth proportional to 168,384.90, 252,357.96 and 68,428.26 is: 102,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,384.90 : 252,357.96 = 68,428.26 : x
  2. Step 2: Convert to fraction form
    168,384.90/252,357.96 = 68,428.26/x
  3. Step 3: Cross multiply
    168,384.90x = 252,357.96 × 68,428.26
  4. Step 4: Simplify right side
    168,384.90x = 17,268,416,099.95
  5. Step 5: Solve for x
    x = 17,268,416,099.95/168,384.90
  6. Step 6: Final answer
    x = 102,553.23

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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.