Home / 188,351.37-259,993.13-124,709.67

Finding the Fourth Proportional to 188,351.37, 259,993.13 and 124,709.67

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Solution

The fourth proportional to 188,351.37, 259,993.13 and 124,709.67 is: 172,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,351.37 : 259,993.13 = 124,709.67 : x
  2. Step 2: Convert to fraction form
    188,351.37/259,993.13 = 124,709.67/x
  3. Step 3: Cross multiply
    188,351.37x = 259,993.13 × 124,709.67
  4. Step 4: Simplify right side
    188,351.37x = 32,423,656,821.02
  5. Step 5: Solve for x
    x = 32,423,656,821.02/188,351.37
  6. Step 6: Final answer
    x = 172,144.52

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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.