Home / 188,169.66-259,665.27-102,126.70

Finding the Fourth Proportional to 188,169.66, 259,665.27 and 102,126.70

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Solution

The fourth proportional to 188,169.66, 259,665.27 and 102,126.70 is: 140,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,169.66 : 259,665.27 = 102,126.70 : x
  2. Step 2: Convert to fraction form
    188,169.66/259,665.27 = 102,126.70/x
  3. Step 3: Cross multiply
    188,169.66x = 259,665.27 × 102,126.70
  4. Step 4: Simplify right side
    188,169.66x = 26,518,757,129.71
  5. Step 5: Solve for x
    x = 26,518,757,129.71/188,169.66
  6. Step 6: Final answer
    x = 140,930.04

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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.