Home / 222,966.75-307,692.55-120,989.62

Finding the Fourth Proportional to 222,966.75, 307,692.55 and 120,989.62

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Solution

The fourth proportional to 222,966.75, 307,692.55 and 120,989.62 is: 166,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,966.75 : 307,692.55 = 120,989.62 : x
  2. Step 2: Convert to fraction form
    222,966.75/307,692.55 = 120,989.62/x
  3. Step 3: Cross multiply
    222,966.75x = 307,692.55 × 120,989.62
  4. Step 4: Simplify right side
    222,966.75x = 37,227,604,701.33
  5. Step 5: Solve for x
    x = 37,227,604,701.33/222,966.75
  6. Step 6: Final answer
    x = 166,964.83

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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.