Home / 142,764.81-197,039.84-82,324.64

Finding the Fourth Proportional to 142,764.81, 197,039.84 and 82,324.64

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Solution

The fourth proportional to 142,764.81, 197,039.84 and 82,324.64 is: 113,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,764.81 : 197,039.84 = 82,324.64 : x
  2. Step 2: Convert to fraction form
    142,764.81/197,039.84 = 82,324.64/x
  3. Step 3: Cross multiply
    142,764.81x = 197,039.84 × 82,324.64
  4. Step 4: Simplify right side
    142,764.81x = 16,221,232,496.84
  5. Step 5: Solve for x
    x = 16,221,232,496.84/142,764.81
  6. Step 6: Final answer
    x = 113,622.06

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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.