Home / 188,256.61-259,794.44-103,379.05

Finding the Fourth Proportional to 188,256.61, 259,794.44 and 103,379.05

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Solution

The fourth proportional to 188,256.61, 259,794.44 and 103,379.05 is: 142,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,256.61 : 259,794.44 = 103,379.05 : x
  2. Step 2: Convert to fraction form
    188,256.61/259,794.44 = 103,379.05/x
  3. Step 3: Cross multiply
    188,256.61x = 259,794.44 × 103,379.05
  4. Step 4: Simplify right side
    188,256.61x = 26,857,301,885.59
  5. Step 5: Solve for x
    x = 26,857,301,885.59/188,256.61
  6. Step 6: Final answer
    x = 142,663.26

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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.