Home / 106,484.90-146,949.30-61,171.65

Finding the Fourth Proportional to 106,484.90, 146,949.30 and 61,171.65

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Solution

The fourth proportional to 106,484.90, 146,949.30 and 61,171.65 is: 84,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,484.90 : 146,949.30 = 61,171.65 : x
  2. Step 2: Convert to fraction form
    106,484.90/146,949.30 = 61,171.65/x
  3. Step 3: Cross multiply
    106,484.90x = 146,949.30 × 61,171.65
  4. Step 4: Simplify right side
    106,484.90x = 8,989,131,147.35
  5. Step 5: Solve for x
    x = 8,989,131,147.35/106,484.90
  6. Step 6: Final answer
    x = 84,416.96

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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.