Home / 129,603.03-194,286.07-109,740.41

Finding the Fourth Proportional to 129,603.03, 194,286.07 and 109,740.41

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Solution

The fourth proportional to 129,603.03, 194,286.07 and 109,740.41 is: 164,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,603.03 : 194,286.07 = 109,740.41 : x
  2. Step 2: Convert to fraction form
    129,603.03/194,286.07 = 109,740.41/x
  3. Step 3: Cross multiply
    129,603.03x = 194,286.07 × 109,740.41
  4. Step 4: Simplify right side
    129,603.03x = 21,321,032,979.09
  5. Step 5: Solve for x
    x = 21,321,032,979.09/129,603.03
  6. Step 6: Final answer
    x = 164,510.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.