Home / 222,370.45-306,867.50-120,395.08

Finding the Fourth Proportional to 222,370.45, 306,867.50 and 120,395.08

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Solution

The fourth proportional to 222,370.45, 306,867.50 and 120,395.08 is: 166,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,370.45 : 306,867.50 = 120,395.08 : x
  2. Step 2: Convert to fraction form
    222,370.45/306,867.50 = 120,395.08/x
  3. Step 3: Cross multiply
    222,370.45x = 306,867.50 × 120,395.08
  4. Step 4: Simplify right side
    222,370.45x = 36,945,337,211.90
  5. Step 5: Solve for x
    x = 36,945,337,211.90/222,370.45
  6. Step 6: Final answer
    x = 166,143.20

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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.