Home / 122,036.58-168,408.72-68,321.34

Finding the Fourth Proportional to 122,036.58, 168,408.72 and 68,321.34

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Solution

The fourth proportional to 122,036.58, 168,408.72 and 68,321.34 is: 94,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,036.58 : 168,408.72 = 68,321.34 : x
  2. Step 2: Convert to fraction form
    122,036.58/168,408.72 = 68,321.34/x
  3. Step 3: Cross multiply
    122,036.58x = 168,408.72 × 68,321.34
  4. Step 4: Simplify right side
    122,036.58x = 11,505,909,418.08
  5. Step 5: Solve for x
    x = 11,505,909,418.08/122,036.58
  6. Step 6: Final answer
    x = 94,282.46

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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.