Home / 122,078.20-168,448.44-68,365.48

Finding the Fourth Proportional to 122,078.20, 168,448.44 and 68,365.48

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Solution

The fourth proportional to 122,078.20, 168,448.44 and 68,365.48 is: 94,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,078.20 : 168,448.44 = 68,365.48 : x
  2. Step 2: Convert to fraction form
    122,078.20/168,448.44 = 68,365.48/x
  3. Step 3: Cross multiply
    122,078.20x = 168,448.44 × 68,365.48
  4. Step 4: Simplify right side
    122,078.20x = 11,516,058,455.85
  5. Step 5: Solve for x
    x = 11,516,058,455.85/122,078.20
  6. Step 6: Final answer
    x = 94,333.46

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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.