Home / 143,440.20-197,933.63-82,998.81

Finding the Fourth Proportional to 143,440.20, 197,933.63 and 82,998.81

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Solution

The fourth proportional to 143,440.20, 197,933.63 and 82,998.81 is: 114,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,440.20 : 197,933.63 = 82,998.81 : x
  2. Step 2: Convert to fraction form
    143,440.20/197,933.63 = 82,998.81/x
  3. Step 3: Cross multiply
    143,440.20x = 197,933.63 × 82,998.81
  4. Step 4: Simplify right side
    143,440.20x = 16,428,255,333.99
  5. Step 5: Solve for x
    x = 16,428,255,333.99/143,440.20
  6. Step 6: Final answer
    x = 114,530.34

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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.