Home / 168,512.15-252,697.93-68,604.50

Finding the Fourth Proportional to 168,512.15, 252,697.93 and 68,604.50

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Solution

The fourth proportional to 168,512.15, 252,697.93 and 68,604.50 is: 102,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,512.15 : 252,697.93 = 68,604.50 : x
  2. Step 2: Convert to fraction form
    168,512.15/252,697.93 = 68,604.50/x
  3. Step 3: Cross multiply
    168,512.15x = 252,697.93 × 68,604.50
  4. Step 4: Simplify right side
    168,512.15x = 17,336,215,138.69
  5. Step 5: Solve for x
    x = 17,336,215,138.69/168,512.15
  6. Step 6: Final answer
    x = 102,878.13

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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.