Home / 188,183.12-259,693.80-103,300.88

Finding the Fourth Proportional to 188,183.12, 259,693.80 and 103,300.88

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Solution

The fourth proportional to 188,183.12, 259,693.80 and 103,300.88 is: 142,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,183.12 : 259,693.80 = 103,300.88 : x
  2. Step 2: Convert to fraction form
    188,183.12/259,693.80 = 103,300.88/x
  3. Step 3: Cross multiply
    188,183.12x = 259,693.80 × 103,300.88
  4. Step 4: Simplify right side
    188,183.12x = 26,826,598,070.54
  5. Step 5: Solve for x
    x = 26,826,598,070.54/188,183.12
  6. Step 6: Final answer
    x = 142,555.82

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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.