Home / 188,345.16-259,961.16-107,819.22

Finding the Fourth Proportional to 188,345.16, 259,961.16 and 107,819.22

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Solution

The fourth proportional to 188,345.16, 259,961.16 and 107,819.22 is: 148,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,345.16 : 259,961.16 = 107,819.22 : x
  2. Step 2: Convert to fraction form
    188,345.16/259,961.16 = 107,819.22/x
  3. Step 3: Cross multiply
    188,345.16x = 259,961.16 × 107,819.22
  4. Step 4: Simplify right side
    188,345.16x = 28,028,809,501.50
  5. Step 5: Solve for x
    x = 28,028,809,501.50/188,345.16
  6. Step 6: Final answer
    x = 148,816.19

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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.