Home / 131,970.80-197,936.16-43,222.34

Finding the Fourth Proportional to 131,970.80, 197,936.16 and 43,222.34

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Solution

The fourth proportional to 131,970.80, 197,936.16 and 43,222.34 is: 64,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,970.80 : 197,936.16 = 43,222.34 : x
  2. Step 2: Convert to fraction form
    131,970.80/197,936.16 = 43,222.34/x
  3. Step 3: Cross multiply
    131,970.80x = 197,936.16 × 43,222.34
  4. Step 4: Simplify right side
    131,970.80x = 8,555,264,338.57
  5. Step 5: Solve for x
    x = 8,555,264,338.57/131,970.80
  6. Step 6: Final answer
    x = 64,826.95

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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.