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Finding the Fourth Proportional to 126,042.60, 188,910.30 and 55,847.40

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Solution

The fourth proportional to 126,042.60, 188,910.30 and 55,847.40 is: 83,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,042.60 : 188,910.30 = 55,847.40 : x
  2. Step 2: Convert to fraction form
    126,042.60/188,910.30 = 55,847.40/x
  3. Step 3: Cross multiply
    126,042.60x = 188,910.30 × 55,847.40
  4. Step 4: Simplify right side
    126,042.60x = 10,550,149,088.22
  5. Step 5: Solve for x
    x = 10,550,149,088.22/126,042.60
  6. Step 6: Final answer
    x = 83,703.04

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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.