Home / 122,741.33-169,380.09-80,298.95

Finding the Fourth Proportional to 122,741.33, 169,380.09 and 80,298.95

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Solution

The fourth proportional to 122,741.33, 169,380.09 and 80,298.95 is: 110,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,741.33 : 169,380.09 = 80,298.95 : x
  2. Step 2: Convert to fraction form
    122,741.33/169,380.09 = 80,298.95/x
  3. Step 3: Cross multiply
    122,741.33x = 169,380.09 × 80,298.95
  4. Step 4: Simplify right side
    122,741.33x = 13,601,042,531.01
  5. Step 5: Solve for x
    x = 13,601,042,531.01/122,741.33
  6. Step 6: Final answer
    x = 110,810.62

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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.