Home / 132,622.74-198,934.65-53,738.46

Finding the Fourth Proportional to 132,622.74, 198,934.65 and 53,738.46

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Solution

The fourth proportional to 132,622.74, 198,934.65 and 53,738.46 is: 80,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,622.74 : 198,934.65 = 53,738.46 : x
  2. Step 2: Convert to fraction form
    132,622.74/198,934.65 = 53,738.46/x
  3. Step 3: Cross multiply
    132,622.74x = 198,934.65 × 53,738.46
  4. Step 4: Simplify right side
    132,622.74x = 10,690,441,731.64
  5. Step 5: Solve for x
    x = 10,690,441,731.64/132,622.74
  6. Step 6: Final answer
    x = 80,607.91

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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.