Home / 122,555.88-169,120.62-68,843.16

Finding the Fourth Proportional to 122,555.88, 169,120.62 and 68,843.16

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Solution

The fourth proportional to 122,555.88, 169,120.62 and 68,843.16 is: 94,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,555.88 : 169,120.62 = 68,843.16 : x
  2. Step 2: Convert to fraction form
    122,555.88/169,120.62 = 68,843.16/x
  3. Step 3: Cross multiply
    122,555.88x = 169,120.62 × 68,843.16
  4. Step 4: Simplify right side
    122,555.88x = 11,642,797,901.96
  5. Step 5: Solve for x
    x = 11,642,797,901.96/122,555.88
  6. Step 6: Final answer
    x = 94,999.91

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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.