Home / 155,422.74-214,491.26-91,759.17

Finding the Fourth Proportional to 155,422.74, 214,491.26 and 91,759.17

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Solution

The fourth proportional to 155,422.74, 214,491.26 and 91,759.17 is: 126,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,422.74 : 214,491.26 = 91,759.17 : x
  2. Step 2: Convert to fraction form
    155,422.74/214,491.26 = 91,759.17/x
  3. Step 3: Cross multiply
    155,422.74x = 214,491.26 × 91,759.17
  4. Step 4: Simplify right side
    155,422.74x = 19,681,539,989.85
  5. Step 5: Solve for x
    x = 19,681,539,989.85/155,422.74
  6. Step 6: Final answer
    x = 126,632.31

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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.