Home / 122,514.37-169,069.84-68,799.42

Finding the Fourth Proportional to 122,514.37, 169,069.84 and 68,799.42

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Solution

The fourth proportional to 122,514.37, 169,069.84 and 68,799.42 is: 94,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,514.37 : 169,069.84 = 68,799.42 : x
  2. Step 2: Convert to fraction form
    122,514.37/169,069.84 = 68,799.42/x
  3. Step 3: Cross multiply
    122,514.37x = 169,069.84 × 68,799.42
  4. Step 4: Simplify right side
    122,514.37x = 11,631,906,931.49
  5. Step 5: Solve for x
    x = 11,631,906,931.49/122,514.37
  6. Step 6: Final answer
    x = 94,943.20

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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.