Home / 122,684.43-169,606.44-121,561.77

Finding the Fourth Proportional to 122,684.43, 169,606.44 and 121,561.77

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Solution

The fourth proportional to 122,684.43, 169,606.44 and 121,561.77 is: 168,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,684.43 : 169,606.44 = 121,561.77 : x
  2. Step 2: Convert to fraction form
    122,684.43/169,606.44 = 121,561.77/x
  3. Step 3: Cross multiply
    122,684.43x = 169,606.44 × 121,561.77
  4. Step 4: Simplify right side
    122,684.43x = 20,617,659,049.80
  5. Step 5: Solve for x
    x = 20,617,659,049.80/122,684.43
  6. Step 6: Final answer
    x = 168,054.41

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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.