Home / 222,698.07-307,324.17-120,723.72

Finding the Fourth Proportional to 222,698.07, 307,324.17 and 120,723.72

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Solution

The fourth proportional to 222,698.07, 307,324.17 and 120,723.72 is: 166,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,698.07 : 307,324.17 = 120,723.72 : x
  2. Step 2: Convert to fraction form
    222,698.07/307,324.17 = 120,723.72/x
  3. Step 3: Cross multiply
    222,698.07x = 307,324.17 × 120,723.72
  4. Step 4: Simplify right side
    222,698.07x = 37,101,317,048.31
  5. Step 5: Solve for x
    x = 37,101,317,048.31/222,698.07
  6. Step 6: Final answer
    x = 166,599.19

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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.