Home / 122,015.26-168,383.92-68,298.94

Finding the Fourth Proportional to 122,015.26, 168,383.92 and 68,298.94

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Solution

The fourth proportional to 122,015.26, 168,383.92 and 68,298.94 is: 94,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,015.26 : 168,383.92 = 68,298.94 : x
  2. Step 2: Convert to fraction form
    122,015.26/168,383.92 = 68,298.94/x
  3. Step 3: Cross multiply
    122,015.26x = 168,383.92 × 68,298.94
  4. Step 4: Simplify right side
    122,015.26x = 11,500,443,249.04
  5. Step 5: Solve for x
    x = 11,500,443,249.04/122,015.26
  6. Step 6: Final answer
    x = 94,254.14

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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.