Home / 222,204.81-306,640.46-120,228.03

Finding the Fourth Proportional to 222,204.81, 306,640.46 and 120,228.03

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Solution

The fourth proportional to 222,204.81, 306,640.46 and 120,228.03 is: 165,913.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,204.81 : 306,640.46 = 120,228.03 : x
  2. Step 2: Convert to fraction form
    222,204.81/306,640.46 = 120,228.03/x
  3. Step 3: Cross multiply
    222,204.81x = 306,640.46 × 120,228.03
  4. Step 4: Simplify right side
    222,204.81x = 36,866,777,822.95
  5. Step 5: Solve for x
    x = 36,866,777,822.95/222,204.81
  6. Step 6: Final answer
    x = 165,913.50

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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.