Home / 122,217.09-168,659.04-68,502.11

Finding the Fourth Proportional to 122,217.09, 168,659.04 and 68,502.11

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Solution

The fourth proportional to 122,217.09, 168,659.04 and 68,502.11 is: 94,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,217.09 : 168,659.04 = 68,502.11 : x
  2. Step 2: Convert to fraction form
    122,217.09/168,659.04 = 68,502.11/x
  3. Step 3: Cross multiply
    122,217.09x = 168,659.04 × 68,502.11
  4. Step 4: Simplify right side
    122,217.09x = 11,553,500,110.57
  5. Step 5: Solve for x
    x = 11,553,500,110.57/122,217.09
  6. Step 6: Final answer
    x = 94,532.61

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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.