Home / 222,631.31-307,230.42-120,659.25

Finding the Fourth Proportional to 222,631.31, 307,230.42 and 120,659.25

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Solution

The fourth proportional to 222,631.31, 307,230.42 and 120,659.25 is: 166,509.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,631.31 : 307,230.42 = 120,659.25 : x
  2. Step 2: Convert to fraction form
    222,631.31/307,230.42 = 120,659.25/x
  3. Step 3: Cross multiply
    222,631.31x = 307,230.42 × 120,659.25
  4. Step 4: Simplify right side
    222,631.31x = 37,070,190,518.23
  5. Step 5: Solve for x
    x = 37,070,190,518.23/222,631.31
  6. Step 6: Final answer
    x = 166,509.33

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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.