Home / 222,117.81-306,522.58-120,143.27

Finding the Fourth Proportional to 222,117.81, 306,522.58 and 120,143.27

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Solution

The fourth proportional to 222,117.81, 306,522.58 and 120,143.27 is: 165,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,117.81 : 306,522.58 = 120,143.27 : x
  2. Step 2: Convert to fraction form
    222,117.81/306,522.58 = 120,143.27/x
  3. Step 3: Cross multiply
    222,117.81x = 306,522.58 × 120,143.27
  4. Step 4: Simplify right side
    222,117.81x = 36,826,624,473.91
  5. Step 5: Solve for x
    x = 36,826,624,473.91/222,117.81
  6. Step 6: Final answer
    x = 165,797.71

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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.