Home / 122,434.26-168,966.78-68,722.74

Finding the Fourth Proportional to 122,434.26, 168,966.78 and 68,722.74

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Solution

The fourth proportional to 122,434.26, 168,966.78 and 68,722.74 is: 94,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,434.26 : 168,966.78 = 68,722.74 : x
  2. Step 2: Convert to fraction form
    122,434.26/168,966.78 = 68,722.74/x
  3. Step 3: Cross multiply
    122,434.26x = 168,966.78 × 68,722.74
  4. Step 4: Simplify right side
    122,434.26x = 11,611,860,090.58
  5. Step 5: Solve for x
    x = 11,611,860,090.58/122,434.26
  6. Step 6: Final answer
    x = 94,841.59

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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.