Home / 71,120.24-106,667.16-26,131.76

Finding the Fourth Proportional to 71,120.24, 106,667.16 and 26,131.76

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Solution

The fourth proportional to 71,120.24, 106,667.16 and 26,131.76 is: 39,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,120.24 : 106,667.16 = 26,131.76 : x
  2. Step 2: Convert to fraction form
    71,120.24/106,667.16 = 26,131.76/x
  3. Step 3: Cross multiply
    71,120.24x = 106,667.16 × 26,131.76
  4. Step 4: Simplify right side
    71,120.24x = 2,787,400,625.00
  5. Step 5: Solve for x
    x = 2,787,400,625.00/71,120.24
  6. Step 6: Final answer
    x = 39,192.79

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1.5x scale

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.