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Finding the Fourth Proportional to 132,003.80, 197,957.10 and 43,260.20

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Solution

The fourth proportional to 132,003.80, 197,957.10 and 43,260.20 is: 64,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,003.80 : 197,957.10 = 43,260.20 : x
  2. Step 2: Convert to fraction form
    132,003.80/197,957.10 = 43,260.20/x
  3. Step 3: Cross multiply
    132,003.80x = 197,957.10 × 43,260.20
  4. Step 4: Simplify right side
    132,003.80x = 8,563,663,737.42
  5. Step 5: Solve for x
    x = 8,563,663,737.42/132,003.80
  6. Step 6: Final answer
    x = 64,874.37

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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.