Home / 188,264.23-259,806.45-103,383.07

Finding the Fourth Proportional to 188,264.23, 259,806.45 and 103,383.07

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Solution

The fourth proportional to 188,264.23, 259,806.45 and 103,383.07 is: 142,669.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,264.23 : 259,806.45 = 103,383.07 : x
  2. Step 2: Convert to fraction form
    188,264.23/259,806.45 = 103,383.07/x
  3. Step 3: Cross multiply
    188,264.23x = 259,806.45 × 103,383.07
  4. Step 4: Simplify right side
    188,264.23x = 26,859,588,797.86
  5. Step 5: Solve for x
    x = 26,859,588,797.86/188,264.23
  6. Step 6: Final answer
    x = 142,669.63

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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.