Home / 122,449.41-168,980.85-68,735.07

Finding the Fourth Proportional to 122,449.41, 168,980.85 and 68,735.07

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Solution

The fourth proportional to 122,449.41, 168,980.85 and 68,735.07 is: 94,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,449.41 : 168,980.85 = 68,735.07 : x
  2. Step 2: Convert to fraction form
    122,449.41/168,980.85 = 68,735.07/x
  3. Step 3: Cross multiply
    122,449.41x = 168,980.85 × 68,735.07
  4. Step 4: Simplify right side
    122,449.41x = 11,614,910,553.41
  5. Step 5: Solve for x
    x = 11,614,910,553.41/122,449.41
  6. Step 6: Final answer
    x = 94,854.77

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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.