Home / 103,850.42-143,219.49-68,027.36

Finding the Fourth Proportional to 103,850.42, 143,219.49 and 68,027.36

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Solution

The fourth proportional to 103,850.42, 143,219.49 and 68,027.36 is: 93,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,850.42 : 143,219.49 = 68,027.36 : x
  2. Step 2: Convert to fraction form
    103,850.42/143,219.49 = 68,027.36/x
  3. Step 3: Cross multiply
    103,850.42x = 143,219.49 × 68,027.36
  4. Step 4: Simplify right side
    103,850.42x = 9,742,843,805.25
  5. Step 5: Solve for x
    x = 9,742,843,805.25/103,850.42
  6. Step 6: Final answer
    x = 93,816.12

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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.