Home / 152,617.60-228,768.45-68,418.10

Finding the Fourth Proportional to 152,617.60, 228,768.45 and 68,418.10

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Solution

The fourth proportional to 152,617.60, 228,768.45 and 68,418.10 is: 102,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,617.60 : 228,768.45 = 68,418.10 : x
  2. Step 2: Convert to fraction form
    152,617.60/228,768.45 = 68,418.10/x
  3. Step 3: Cross multiply
    152,617.60x = 228,768.45 × 68,418.10
  4. Step 4: Simplify right side
    152,617.60x = 15,651,902,688.95
  5. Step 5: Solve for x
    x = 15,651,902,688.95/152,617.60
  6. Step 6: Final answer
    x = 102,556.34

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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.