Home / 91,182.10-136,759.46-28,844.50

Finding the Fourth Proportional to 91,182.10, 136,759.46 and 28,844.50

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Solution

The fourth proportional to 91,182.10, 136,759.46 and 28,844.50 is: 43,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,182.10 : 136,759.46 = 28,844.50 : x
  2. Step 2: Convert to fraction form
    91,182.10/136,759.46 = 28,844.50/x
  3. Step 3: Cross multiply
    91,182.10x = 136,759.46 × 28,844.50
  4. Step 4: Simplify right side
    91,182.10x = 3,944,758,243.97
  5. Step 5: Solve for x
    x = 3,944,758,243.97/91,182.10
  6. Step 6: Final answer
    x = 43,262.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.