Home / 122,174.25-168,563.77-79,085.49

Finding the Fourth Proportional to 122,174.25, 168,563.77 and 79,085.49

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Solution

The fourth proportional to 122,174.25, 168,563.77 and 79,085.49 is: 109,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,174.25 : 168,563.77 = 79,085.49 : x
  2. Step 2: Convert to fraction form
    122,174.25/168,563.77 = 79,085.49/x
  3. Step 3: Cross multiply
    122,174.25x = 168,563.77 × 79,085.49
  4. Step 4: Simplify right side
    122,174.25x = 13,330,948,346.70
  5. Step 5: Solve for x
    x = 13,330,948,346.70/122,174.25
  6. Step 6: Final answer
    x = 109,114.22

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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.