Home / 122,173.25-168,562.40-79,084.49

Finding the Fourth Proportional to 122,173.25, 168,562.40 and 79,084.49

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Solution

The fourth proportional to 122,173.25, 168,562.40 and 79,084.49 is: 109,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,173.25 : 168,562.40 = 79,084.49 : x
  2. Step 2: Convert to fraction form
    122,173.25/168,562.40 = 79,084.49/x
  3. Step 3: Cross multiply
    122,173.25x = 168,562.40 × 79,084.49
  4. Step 4: Simplify right side
    122,173.25x = 13,330,670,198.94
  5. Step 5: Solve for x
    x = 13,330,670,198.94/122,173.25
  6. Step 6: Final answer
    x = 109,112.84

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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.