Home / 104,169.09-143,745.89-61,150.34

Finding the Fourth Proportional to 104,169.09, 143,745.89 and 61,150.34

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Solution

The fourth proportional to 104,169.09, 143,745.89 and 61,150.34 is: 84,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,169.09 : 143,745.89 = 61,150.34 : x
  2. Step 2: Convert to fraction form
    104,169.09/143,745.89 = 61,150.34/x
  3. Step 3: Cross multiply
    104,169.09x = 143,745.89 × 61,150.34
  4. Step 4: Simplify right side
    104,169.09x = 8,790,110,444.69
  5. Step 5: Solve for x
    x = 8,790,110,444.69/104,169.09
  6. Step 6: Final answer
    x = 84,383.10

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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.