Home / 143,180.53-197,656.29-82,739.37

Finding the Fourth Proportional to 143,180.53, 197,656.29 and 82,739.37

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Solution

The fourth proportional to 143,180.53, 197,656.29 and 82,739.37 is: 114,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,180.53 : 197,656.29 = 82,739.37 : x
  2. Step 2: Convert to fraction form
    143,180.53/197,656.29 = 82,739.37/x
  3. Step 3: Cross multiply
    143,180.53x = 197,656.29 × 82,739.37
  4. Step 4: Simplify right side
    143,180.53x = 16,353,956,911.14
  5. Step 5: Solve for x
    x = 16,353,956,911.14/143,180.53
  6. Step 6: Final answer
    x = 114,219.14

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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.