Home / 131,845.52-197,797.62-72,650.72

Finding the Fourth Proportional to 131,845.52, 197,797.62 and 72,650.72

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Solution

The fourth proportional to 131,845.52, 197,797.62 and 72,650.72 is: 108,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,845.52 : 197,797.62 = 72,650.72 : x
  2. Step 2: Convert to fraction form
    131,845.52/197,797.62 = 72,650.72/x
  3. Step 3: Cross multiply
    131,845.52x = 197,797.62 × 72,650.72
  4. Step 4: Simplify right side
    131,845.52x = 14,370,139,507.29
  5. Step 5: Solve for x
    x = 14,370,139,507.29/131,845.52
  6. Step 6: Final answer
    x = 108,992.25

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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.