Home / 222,795.74-307,458.20-120,821.18

Finding the Fourth Proportional to 222,795.74, 307,458.20 and 120,821.18

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Solution

The fourth proportional to 222,795.74, 307,458.20 and 120,821.18 is: 166,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,795.74 : 307,458.20 = 120,821.18 : x
  2. Step 2: Convert to fraction form
    222,795.74/307,458.20 = 120,821.18/x
  3. Step 3: Cross multiply
    222,795.74x = 307,458.20 × 120,821.18
  4. Step 4: Simplify right side
    222,795.74x = 37,147,461,289.44
  5. Step 5: Solve for x
    x = 37,147,461,289.44/222,795.74
  6. Step 6: Final answer
    x = 166,733.26

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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.