Home / 141,321.57-195,034.62-80,911.17

Finding the Fourth Proportional to 141,321.57, 195,034.62 and 80,911.17

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Solution

The fourth proportional to 141,321.57, 195,034.62 and 80,911.17 is: 111,663.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,321.57 : 195,034.62 = 80,911.17 : x
  2. Step 2: Convert to fraction form
    141,321.57/195,034.62 = 80,911.17/x
  3. Step 3: Cross multiply
    141,321.57x = 195,034.62 × 80,911.17
  4. Step 4: Simplify right side
    141,321.57x = 15,780,479,294.71
  5. Step 5: Solve for x
    x = 15,780,479,294.71/141,321.57
  6. Step 6: Final answer
    x = 111,663.63

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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.