Home / 187,942.21-259,372.06-103,059.27

Finding the Fourth Proportional to 187,942.21, 259,372.06 and 103,059.27

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Solution

The fourth proportional to 187,942.21, 259,372.06 and 103,059.27 is: 142,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,942.21 : 259,372.06 = 103,059.27 : x
  2. Step 2: Convert to fraction form
    187,942.21/259,372.06 = 103,059.27/x
  3. Step 3: Cross multiply
    187,942.21x = 259,372.06 × 103,059.27
  4. Step 4: Simplify right side
    187,942.21x = 26,730,695,162.00
  5. Step 5: Solve for x
    x = 26,730,695,162.00/187,942.21
  6. Step 6: Final answer
    x = 142,228.27

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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.