Home / 129,676.26-179,004.78-111,454.86

Finding the Fourth Proportional to 129,676.26, 179,004.78 and 111,454.86

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Solution

The fourth proportional to 129,676.26, 179,004.78 and 111,454.86 is: 153,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,676.26 : 179,004.78 = 111,454.86 : x
  2. Step 2: Convert to fraction form
    129,676.26/179,004.78 = 111,454.86/x
  3. Step 3: Cross multiply
    129,676.26x = 179,004.78 × 111,454.86
  4. Step 4: Simplify right side
    129,676.26x = 19,950,952,694.23
  5. Step 5: Solve for x
    x = 19,950,952,694.23/129,676.26
  6. Step 6: Final answer
    x = 153,852.01

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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.