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Finding the Fourth Proportional to 202,205.40, 303,162.30 and 132,124.20

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Solution

The fourth proportional to 202,205.40, 303,162.30 and 132,124.20 is: 198,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,205.40 : 303,162.30 = 132,124.20 : x
  2. Step 2: Convert to fraction form
    202,205.40/303,162.30 = 132,124.20/x
  3. Step 3: Cross multiply
    202,205.40x = 303,162.30 × 132,124.20
  4. Step 4: Simplify right side
    202,205.40x = 40,055,076,357.66
  5. Step 5: Solve for x
    x = 40,055,076,357.66/202,205.40
  6. Step 6: Final answer
    x = 198,091.03

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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.