Home / 216,519.05-298,796.67-121,025.67

Finding the Fourth Proportional to 216,519.05, 298,796.67 and 121,025.67

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Solution

The fourth proportional to 216,519.05, 298,796.67 and 121,025.67 is: 167,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,519.05 : 298,796.67 = 121,025.67 : x
  2. Step 2: Convert to fraction form
    216,519.05/298,796.67 = 121,025.67/x
  3. Step 3: Cross multiply
    216,519.05x = 298,796.67 × 121,025.67
  4. Step 4: Simplify right side
    216,519.05x = 36,162,067,180.52
  5. Step 5: Solve for x
    x = 36,162,067,180.52/216,519.05
  6. Step 6: Final answer
    x = 167,015.64

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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.