Home / 104,139.72-156,104.40-41,004.15

Finding the Fourth Proportional to 104,139.72, 156,104.40 and 41,004.15

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Solution

The fourth proportional to 104,139.72, 156,104.40 and 41,004.15 is: 61,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,139.72 : 156,104.40 = 41,004.15 : x
  2. Step 2: Convert to fraction form
    104,139.72/156,104.40 = 41,004.15/x
  3. Step 3: Cross multiply
    104,139.72x = 156,104.40 × 41,004.15
  4. Step 4: Simplify right side
    104,139.72x = 6,400,928,233.26
  5. Step 5: Solve for x
    x = 6,400,928,233.26/104,139.72
  6. Step 6: Final answer
    x = 61,464.81

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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.