Home / 122,229.72-168,678.06-68,514.84

Finding the Fourth Proportional to 122,229.72, 168,678.06 and 68,514.84

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Solution

The fourth proportional to 122,229.72, 168,678.06 and 68,514.84 is: 94,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,229.72 : 168,678.06 = 68,514.84 : x
  2. Step 2: Convert to fraction form
    122,229.72/168,678.06 = 68,514.84/x
  3. Step 3: Cross multiply
    122,229.72x = 168,678.06 × 68,514.84
  4. Step 4: Simplify right side
    122,229.72x = 11,556,950,292.41
  5. Step 5: Solve for x
    x = 11,556,950,292.41/122,229.72
  6. Step 6: Final answer
    x = 94,551.07

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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.