Home / 131,945.76-197,960.56-43,179.08

Finding the Fourth Proportional to 131,945.76, 197,960.56 and 43,179.08

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Solution

The fourth proportional to 131,945.76, 197,960.56 and 43,179.08 is: 64,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,945.76 : 197,960.56 = 43,179.08 : x
  2. Step 2: Convert to fraction form
    131,945.76/197,960.56 = 43,179.08/x
  3. Step 3: Cross multiply
    131,945.76x = 197,960.56 × 43,179.08
  4. Step 4: Simplify right side
    131,945.76x = 8,547,753,759.33
  5. Step 5: Solve for x
    x = 8,547,753,759.33/131,945.76
  6. Step 6: Final answer
    x = 64,782.33

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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.