Home / 197,480.62-272,522.87-106,836.65

Finding the Fourth Proportional to 197,480.62, 272,522.87 and 106,836.65

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Solution

The fourth proportional to 197,480.62, 272,522.87 and 106,836.65 is: 147,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,480.62 : 272,522.87 = 106,836.65 : x
  2. Step 2: Convert to fraction form
    197,480.62/272,522.87 = 106,836.65/x
  3. Step 3: Cross multiply
    197,480.62x = 272,522.87 × 106,836.65
  4. Step 4: Simplify right side
    197,480.62x = 29,115,431,427.58
  5. Step 5: Solve for x
    x = 29,115,431,427.58/197,480.62
  6. Step 6: Final answer
    x = 147,434.38

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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.