Home / 104,290.63-143,844.60-68,467.57

Finding the Fourth Proportional to 104,290.63, 143,844.60 and 68,467.57

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Solution

The fourth proportional to 104,290.63, 143,844.60 and 68,467.57 is: 94,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,290.63 : 143,844.60 = 68,467.57 : x
  2. Step 2: Convert to fraction form
    104,290.63/143,844.60 = 68,467.57/x
  3. Step 3: Cross multiply
    104,290.63x = 143,844.60 × 68,467.57
  4. Step 4: Simplify right side
    104,290.63x = 9,848,690,219.62
  5. Step 5: Solve for x
    x = 9,848,690,219.62/104,290.63
  6. Step 6: Final answer
    x = 94,435.04

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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.