Home / 172,829.07-259,243.59-54,509.58

Finding the Fourth Proportional to 172,829.07, 259,243.59 and 54,509.58

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Solution

The fourth proportional to 172,829.07, 259,243.59 and 54,509.58 is: 81,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,829.07 : 259,243.59 = 54,509.58 : x
  2. Step 2: Convert to fraction form
    172,829.07/259,243.59 = 54,509.58/x
  3. Step 3: Cross multiply
    172,829.07x = 259,243.59 × 54,509.58
  4. Step 4: Simplify right side
    172,829.07x = 14,131,259,208.59
  5. Step 5: Solve for x
    x = 14,131,259,208.59/172,829.07
  6. Step 6: Final answer
    x = 81,764.37

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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.