Home / 188,258.09-259,799.34-103,383.05

Finding the Fourth Proportional to 188,258.09, 259,799.34 and 103,383.05

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Solution

The fourth proportional to 188,258.09, 259,799.34 and 103,383.05 is: 142,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,258.09 : 259,799.34 = 103,383.05 : x
  2. Step 2: Convert to fraction form
    188,258.09/259,799.34 = 103,383.05/x
  3. Step 3: Cross multiply
    188,258.09x = 259,799.34 × 103,383.05
  4. Step 4: Simplify right side
    188,258.09x = 26,858,846,341.28
  5. Step 5: Solve for x
    x = 26,858,846,341.28/188,258.09
  6. Step 6: Final answer
    x = 142,670.35

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1.5x scale

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.