Home / 168,740.35-253,105.22-68,901.50

Finding the Fourth Proportional to 168,740.35, 253,105.22 and 68,901.50

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Solution

The fourth proportional to 168,740.35, 253,105.22 and 68,901.50 is: 103,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,740.35 : 253,105.22 = 68,901.50 : x
  2. Step 2: Convert to fraction form
    168,740.35/253,105.22 = 68,901.50/x
  3. Step 3: Cross multiply
    168,740.35x = 253,105.22 × 68,901.50
  4. Step 4: Simplify right side
    168,740.35x = 17,439,330,120.85
  5. Step 5: Solve for x
    x = 17,439,330,120.85/168,740.35
  6. Step 6: Final answer
    x = 103,350.09

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1.5x scale

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.