Home / 104,324.22-143,929.71-68,533.56

Finding the Fourth Proportional to 104,324.22, 143,929.71 and 68,533.56

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Solution

The fourth proportional to 104,324.22, 143,929.71 and 68,533.56 is: 94,551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,324.22 : 143,929.71 = 68,533.56 : x
  2. Step 2: Convert to fraction form
    104,324.22/143,929.71 = 68,533.56/x
  3. Step 3: Cross multiply
    104,324.22x = 143,929.71 × 68,533.56
  4. Step 4: Simplify right side
    104,324.22x = 9,864,015,416.07
  5. Step 5: Solve for x
    x = 9,864,015,416.07/104,324.22
  6. Step 6: Final answer
    x = 94,551.54

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1.5x scale

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.