Home / 68,845.66-103,269.62-18,925.45

Finding the Fourth Proportional to 68,845.66, 103,269.62 and 18,925.45

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Solution

The fourth proportional to 68,845.66, 103,269.62 and 18,925.45 is: 28,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,845.66 : 103,269.62 = 18,925.45 : x
  2. Step 2: Convert to fraction form
    68,845.66/103,269.62 = 18,925.45/x
  3. Step 3: Cross multiply
    68,845.66x = 103,269.62 × 18,925.45
  4. Step 4: Simplify right side
    68,845.66x = 1,954,424,029.83
  5. Step 5: Solve for x
    x = 1,954,424,029.83/68,845.66
  6. Step 6: Final answer
    x = 28,388.49

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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.