Home / 122,321.70-168,790.38-68,595.60

Finding the Fourth Proportional to 122,321.70, 168,790.38 and 68,595.60

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Solution

The fourth proportional to 122,321.70, 168,790.38 and 68,595.60 is: 94,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,321.70 : 168,790.38 = 68,595.60 : x
  2. Step 2: Convert to fraction form
    122,321.70/168,790.38 = 68,595.60/x
  3. Step 3: Cross multiply
    122,321.70x = 168,790.38 × 68,595.60
  4. Step 4: Simplify right side
    122,321.70x = 11,578,277,390.33
  5. Step 5: Solve for x
    x = 11,578,277,390.33/122,321.70
  6. Step 6: Final answer
    x = 94,654.32

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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.