Home / 104,422.40-144,067.84-66,718.72

Finding the Fourth Proportional to 104,422.40, 144,067.84 and 66,718.72

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Solution

The fourth proportional to 104,422.40, 144,067.84 and 66,718.72 is: 92,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,422.40 : 144,067.84 = 66,718.72 : x
  2. Step 2: Convert to fraction form
    104,422.40/144,067.84 = 66,718.72/x
  3. Step 3: Cross multiply
    104,422.40x = 144,067.84 × 66,718.72
  4. Step 4: Simplify right side
    104,422.40x = 9,612,021,877.96
  5. Step 5: Solve for x
    x = 9,612,021,877.96/104,422.40
  6. Step 6: Final answer
    x = 92,049.43

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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.