Home / 122,749.26-183,227.78-105,331.02

Finding the Fourth Proportional to 122,749.26, 183,227.78 and 105,331.02

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Solution

The fourth proportional to 122,749.26, 183,227.78 and 105,331.02 is: 157,227.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,749.26 : 183,227.78 = 105,331.02 : x
  2. Step 2: Convert to fraction form
    122,749.26/183,227.78 = 105,331.02/x
  3. Step 3: Cross multiply
    122,749.26x = 183,227.78 × 105,331.02
  4. Step 4: Simplify right side
    122,749.26x = 19,299,568,433.08
  5. Step 5: Solve for x
    x = 19,299,568,433.08/122,749.26
  6. Step 6: Final answer
    x = 157,227.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.