Home / 122,516.56-169,091.16-74,797.63

Finding the Fourth Proportional to 122,516.56, 169,091.16 and 74,797.63

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Solution

The fourth proportional to 122,516.56, 169,091.16 and 74,797.63 is: 103,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,516.56 : 169,091.16 = 74,797.63 : x
  2. Step 2: Convert to fraction form
    122,516.56/169,091.16 = 74,797.63/x
  3. Step 3: Cross multiply
    122,516.56x = 169,091.16 × 74,797.63
  4. Step 4: Simplify right side
    122,516.56x = 12,647,618,021.95
  5. Step 5: Solve for x
    x = 12,647,618,021.95/122,516.56
  6. Step 6: Final answer
    x = 103,231.91

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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.