Home / 188,085.92-259,564.02-103,208.36

Finding the Fourth Proportional to 188,085.92, 259,564.02 and 103,208.36

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Solution

The fourth proportional to 188,085.92, 259,564.02 and 103,208.36 is: 142,430.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,085.92 : 259,564.02 = 103,208.36 : x
  2. Step 2: Convert to fraction form
    188,085.92/259,564.02 = 103,208.36/x
  3. Step 3: Cross multiply
    188,085.92x = 259,564.02 × 103,208.36
  4. Step 4: Simplify right side
    188,085.92x = 26,789,176,819.21
  5. Step 5: Solve for x
    x = 26,789,176,819.21/188,085.92
  6. Step 6: Final answer
    x = 142,430.53

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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.