Home / 222,530.40-307,091.60-120,558.45

Finding the Fourth Proportional to 222,530.40, 307,091.60 and 120,558.45

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Solution

The fourth proportional to 222,530.40, 307,091.60 and 120,558.45 is: 166,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,530.40 : 307,091.60 = 120,558.45 : x
  2. Step 2: Convert to fraction form
    222,530.40/307,091.60 = 120,558.45/x
  3. Step 3: Cross multiply
    222,530.40x = 307,091.60 × 120,558.45
  4. Step 4: Simplify right side
    222,530.40x = 37,022,488,304.92
  5. Step 5: Solve for x
    x = 37,022,488,304.92/222,530.40
  6. Step 6: Final answer
    x = 166,370.47

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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.