Home / 222,118.32-306,523.27-120,143.77

Finding the Fourth Proportional to 222,118.32, 306,523.27 and 120,143.77

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Solution

The fourth proportional to 222,118.32, 306,523.27 and 120,143.77 is: 165,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,118.32 : 306,523.27 = 120,143.77 : x
  2. Step 2: Convert to fraction form
    222,118.32/306,523.27 = 120,143.77/x
  3. Step 3: Cross multiply
    222,118.32x = 306,523.27 × 120,143.77
  4. Step 4: Simplify right side
    222,118.32x = 36,826,861,250.53
  5. Step 5: Solve for x
    x = 36,826,861,250.53/222,118.32
  6. Step 6: Final answer
    x = 165,798.40

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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.