Home / 122,361.02-168,859.38-68,647.20

Finding the Fourth Proportional to 122,361.02, 168,859.38 and 68,647.20

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Solution

The fourth proportional to 122,361.02, 168,859.38 and 68,647.20 is: 94,733.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,361.02 : 168,859.38 = 68,647.20 : x
  2. Step 2: Convert to fraction form
    122,361.02/168,859.38 = 68,647.20/x
  3. Step 3: Cross multiply
    122,361.02x = 168,859.38 × 68,647.20
  4. Step 4: Simplify right side
    122,361.02x = 11,591,723,630.74
  5. Step 5: Solve for x
    x = 11,591,723,630.74/122,361.02
  6. Step 6: Final answer
    x = 94,733.79

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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.