Home / 126,922.21-175,146.64-75,963.02

Finding the Fourth Proportional to 126,922.21, 175,146.64 and 75,963.02

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Solution

The fourth proportional to 126,922.21, 175,146.64 and 75,963.02 is: 104,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,922.21 : 175,146.64 = 75,963.02 : x
  2. Step 2: Convert to fraction form
    126,922.21/175,146.64 = 75,963.02/x
  3. Step 3: Cross multiply
    126,922.21x = 175,146.64 × 75,963.02
  4. Step 4: Simplify right side
    126,922.21x = 13,304,666,651.61
  5. Step 5: Solve for x
    x = 13,304,666,651.61/126,922.21
  6. Step 6: Final answer
    x = 104,825.36

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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.