Home / 122,080.48-168,451.60-68,367.76

Finding the Fourth Proportional to 122,080.48, 168,451.60 and 68,367.76

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Solution

The fourth proportional to 122,080.48, 168,451.60 and 68,367.76 is: 94,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,080.48 : 168,451.60 = 68,367.76 : x
  2. Step 2: Convert to fraction form
    122,080.48/168,451.60 = 68,367.76/x
  3. Step 3: Cross multiply
    122,080.48x = 168,451.60 × 68,367.76
  4. Step 4: Simplify right side
    122,080.48x = 11,516,658,560.42
  5. Step 5: Solve for x
    x = 11,516,658,560.42/122,080.48
  6. Step 6: Final answer
    x = 94,336.61

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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.