Home / 200,180.55-276,246.81-109,535.48

Finding the Fourth Proportional to 200,180.55, 276,246.81 and 109,535.48

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Solution

The fourth proportional to 200,180.55, 276,246.81 and 109,535.48 is: 151,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,180.55 : 276,246.81 = 109,535.48 : x
  2. Step 2: Convert to fraction form
    200,180.55/276,246.81 = 109,535.48/x
  3. Step 3: Cross multiply
    200,180.55x = 276,246.81 × 109,535.48
  4. Step 4: Simplify right side
    200,180.55x = 30,258,825,550.58
  5. Step 5: Solve for x
    x = 30,258,825,550.58/200,180.55
  6. Step 6: Final answer
    x = 151,157.67

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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.