Home / 222,384.60-306,585.68-140,672.21

Finding the Fourth Proportional to 222,384.60, 306,585.68 and 140,672.21

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Solution

The fourth proportional to 222,384.60, 306,585.68 and 140,672.21 is: 193,934.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,384.60 : 306,585.68 = 140,672.21 : x
  2. Step 2: Convert to fraction form
    222,384.60/306,585.68 = 140,672.21/x
  3. Step 3: Cross multiply
    222,384.60x = 306,585.68 × 140,672.21
  4. Step 4: Simplify right side
    222,384.60x = 43,128,082,923.66
  5. Step 5: Solve for x
    x = 43,128,082,923.66/222,384.60
  6. Step 6: Final answer
    x = 193,934.67

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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.