Home / 195,361.17-269,521.34-122,721.39

Finding the Fourth Proportional to 195,361.17, 269,521.34 and 122,721.39

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Solution

The fourth proportional to 195,361.17, 269,521.34 and 122,721.39 is: 169,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,361.17 : 269,521.34 = 122,721.39 : x
  2. Step 2: Convert to fraction form
    195,361.17/269,521.34 = 122,721.39/x
  3. Step 3: Cross multiply
    195,361.17x = 269,521.34 × 122,721.39
  4. Step 4: Simplify right side
    195,361.17x = 33,076,032,865.86
  5. Step 5: Solve for x
    x = 33,076,032,865.86/195,361.17
  6. Step 6: Final answer
    x = 169,307.10

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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.