Home / 141,665.49-195,481.76-80,407.62

Finding the Fourth Proportional to 141,665.49, 195,481.76 and 80,407.62

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Solution

The fourth proportional to 141,665.49, 195,481.76 and 80,407.62 is: 110,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,665.49 : 195,481.76 = 80,407.62 : x
  2. Step 2: Convert to fraction form
    141,665.49/195,481.76 = 80,407.62/x
  3. Step 3: Cross multiply
    141,665.49x = 195,481.76 × 80,407.62
  4. Step 4: Simplify right side
    141,665.49x = 15,718,222,672.97
  5. Step 5: Solve for x
    x = 15,718,222,672.97/141,665.49
  6. Step 6: Final answer
    x = 110,953.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.