Home / 123,867.30-170,936.64-67,278.54

Finding the Fourth Proportional to 123,867.30, 170,936.64 and 67,278.54

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Solution

The fourth proportional to 123,867.30, 170,936.64 and 67,278.54 is: 92,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,867.30 : 170,936.64 = 67,278.54 : x
  2. Step 2: Convert to fraction form
    123,867.30/170,936.64 = 67,278.54/x
  3. Step 3: Cross multiply
    123,867.30x = 170,936.64 × 67,278.54
  4. Step 4: Simplify right side
    123,867.30x = 11,500,367,571.71
  5. Step 5: Solve for x
    x = 11,500,367,571.71/123,867.30
  6. Step 6: Final answer
    x = 92,844.26

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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.