Home / 97,874.39-146,821.31-31,297.79

Finding the Fourth Proportional to 97,874.39, 146,821.31 and 31,297.79

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Solution

The fourth proportional to 97,874.39, 146,821.31 and 31,297.79 is: 46,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,874.39 : 146,821.31 = 31,297.79 : x
  2. Step 2: Convert to fraction form
    97,874.39/146,821.31 = 31,297.79/x
  3. Step 3: Cross multiply
    97,874.39x = 146,821.31 × 31,297.79
  4. Step 4: Simplify right side
    97,874.39x = 4,595,181,637.31
  5. Step 5: Solve for x
    x = 4,595,181,637.31/97,874.39
  6. Step 6: Final answer
    x = 46,949.79

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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.