Home / 122,684.31-169,274.07-74,920.23

Finding the Fourth Proportional to 122,684.31, 169,274.07 and 74,920.23

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Solution

The fourth proportional to 122,684.31, 169,274.07 and 74,920.23 is: 103,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,684.31 : 169,274.07 = 74,920.23 : x
  2. Step 2: Convert to fraction form
    122,684.31/169,274.07 = 74,920.23/x
  3. Step 3: Cross multiply
    122,684.31x = 169,274.07 × 74,920.23
  4. Step 4: Simplify right side
    122,684.31x = 12,682,052,257.44
  5. Step 5: Solve for x
    x = 12,682,052,257.44/122,684.31
  6. Step 6: Final answer
    x = 103,371.43

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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.