Home / 188,196.48-259,711.38-103,313.88

Finding the Fourth Proportional to 188,196.48, 259,711.38 and 103,313.88

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Solution

The fourth proportional to 188,196.48, 259,711.38 and 103,313.88 is: 142,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,196.48 : 259,711.38 = 103,313.88 : x
  2. Step 2: Convert to fraction form
    188,196.48/259,711.38 = 103,313.88/x
  3. Step 3: Cross multiply
    188,196.48x = 259,711.38 × 103,313.88
  4. Step 4: Simplify right side
    188,196.48x = 26,831,790,347.95
  5. Step 5: Solve for x
    x = 26,831,790,347.95/188,196.48
  6. Step 6: Final answer
    x = 142,573.28

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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.