Home / 102,668.11-154,001.49-41,878.15

Finding the Fourth Proportional to 102,668.11, 154,001.49 and 41,878.15

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Solution

The fourth proportional to 102,668.11, 154,001.49 and 41,878.15 is: 62,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,668.11 : 154,001.49 = 41,878.15 : x
  2. Step 2: Convert to fraction form
    102,668.11/154,001.49 = 41,878.15/x
  3. Step 3: Cross multiply
    102,668.11x = 154,001.49 × 41,878.15
  4. Step 4: Simplify right side
    102,668.11x = 6,449,296,956.40
  5. Step 5: Solve for x
    x = 6,449,296,956.40/102,668.11
  6. Step 6: Final answer
    x = 62,816.95

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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.