Home / 188,348.16-259,965.30-107,822.22

Finding the Fourth Proportional to 188,348.16, 259,965.30 and 107,822.22

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Solution

The fourth proportional to 188,348.16, 259,965.30 and 107,822.22 is: 148,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,348.16 : 259,965.30 = 107,822.22 : x
  2. Step 2: Convert to fraction form
    188,348.16/259,965.30 = 107,822.22/x
  3. Step 3: Cross multiply
    188,348.16x = 259,965.30 × 107,822.22
  4. Step 4: Simplify right side
    188,348.16x = 28,030,035,768.97
  5. Step 5: Solve for x
    x = 28,030,035,768.97/188,348.16
  6. Step 6: Final answer
    x = 148,820.33

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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.