Home / 155,612.07-214,747.44-91,949.73

Finding the Fourth Proportional to 155,612.07, 214,747.44 and 91,949.73

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Solution

The fourth proportional to 155,612.07, 214,747.44 and 91,949.73 is: 126,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,612.07 : 214,747.44 = 91,949.73 : x
  2. Step 2: Convert to fraction form
    155,612.07/214,747.44 = 91,949.73/x
  3. Step 3: Cross multiply
    155,612.07x = 214,747.44 × 91,949.73
  4. Step 4: Simplify right side
    155,612.07x = 19,745,969,126.19
  5. Step 5: Solve for x
    x = 19,745,969,126.19/155,612.07
  6. Step 6: Final answer
    x = 126,892.27

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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.