Home / 190,176.26-262,447.24-104,138.86

Finding the Fourth Proportional to 190,176.26, 262,447.24 and 104,138.86

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Solution

The fourth proportional to 190,176.26, 262,447.24 and 104,138.86 is: 143,713.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,176.26 : 262,447.24 = 104,138.86 : x
  2. Step 2: Convert to fraction form
    190,176.26/262,447.24 = 104,138.86/x
  3. Step 3: Cross multiply
    190,176.26x = 262,447.24 × 104,138.86
  4. Step 4: Simplify right side
    190,176.26x = 27,330,956,383.75
  5. Step 5: Solve for x
    x = 27,330,956,383.75/190,176.26
  6. Step 6: Final answer
    x = 143,713.82

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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.