Home / 131,877.86-197,251.61-122,305.46

Finding the Fourth Proportional to 131,877.86, 197,251.61 and 122,305.46

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Solution

The fourth proportional to 131,877.86, 197,251.61 and 122,305.46 is: 182,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,877.86 : 197,251.61 = 122,305.46 : x
  2. Step 2: Convert to fraction form
    131,877.86/197,251.61 = 122,305.46/x
  3. Step 3: Cross multiply
    131,877.86x = 197,251.61 × 122,305.46
  4. Step 4: Simplify right side
    131,877.86x = 24,124,947,299.01
  5. Step 5: Solve for x
    x = 24,124,947,299.01/131,877.86
  6. Step 6: Final answer
    x = 182,934.03

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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.