Home / 197,521.82-272,578.06-106,875.78

Finding the Fourth Proportional to 197,521.82, 272,578.06 and 106,875.78

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Solution

The fourth proportional to 197,521.82, 272,578.06 and 106,875.78 is: 147,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,521.82 : 272,578.06 = 106,875.78 : x
  2. Step 2: Convert to fraction form
    197,521.82/272,578.06 = 106,875.78/x
  3. Step 3: Cross multiply
    197,521.82x = 272,578.06 × 106,875.78
  4. Step 4: Simplify right side
    197,521.82x = 29,131,992,506.20
  5. Step 5: Solve for x
    x = 29,131,992,506.20/197,521.82
  6. Step 6: Final answer
    x = 147,487.47

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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.