Home / 81,725.36-122,359.65-44,150.82

Finding the Fourth Proportional to 81,725.36, 122,359.65 and 44,150.82

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Solution

The fourth proportional to 81,725.36, 122,359.65 and 44,150.82 is: 66,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,725.36 : 122,359.65 = 44,150.82 : x
  2. Step 2: Convert to fraction form
    81,725.36/122,359.65 = 44,150.82/x
  3. Step 3: Cross multiply
    81,725.36x = 122,359.65 × 44,150.82
  4. Step 4: Simplify right side
    81,725.36x = 5,402,278,882.41
  5. Step 5: Solve for x
    x = 5,402,278,882.41/81,725.36
  6. Step 6: Final answer
    x = 66,102.85

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1.5x scale

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.