Home / 195,361.67-269,522.03-122,721.89

Finding the Fourth Proportional to 195,361.67, 269,522.03 and 122,721.89

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Solution

The fourth proportional to 195,361.67, 269,522.03 and 122,721.89 is: 169,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,361.67 : 269,522.03 = 122,721.89 : x
  2. Step 2: Convert to fraction form
    195,361.67/269,522.03 = 122,721.89/x
  3. Step 3: Cross multiply
    195,361.67x = 269,522.03 × 122,721.89
  4. Step 4: Simplify right side
    195,361.67x = 33,076,250,957.02
  5. Step 5: Solve for x
    x = 33,076,250,957.02/195,361.67
  6. Step 6: Final answer
    x = 169,307.78

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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.