Home / 143,156.16-197,584.52-82,729.35

Finding the Fourth Proportional to 143,156.16, 197,584.52 and 82,729.35

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Solution

The fourth proportional to 143,156.16, 197,584.52 and 82,729.35 is: 114,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,156.16 : 197,584.52 = 82,729.35 : x
  2. Step 2: Convert to fraction form
    143,156.16/197,584.52 = 82,729.35/x
  3. Step 3: Cross multiply
    143,156.16x = 197,584.52 × 82,729.35
  4. Step 4: Simplify right side
    143,156.16x = 16,346,038,496.02
  5. Step 5: Solve for x
    x = 16,346,038,496.02/143,156.16
  6. Step 6: Final answer
    x = 114,183.27

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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.