Home / 171,419.46-257,295.03-82,735.40

Finding the Fourth Proportional to 171,419.46, 257,295.03 and 82,735.40

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Solution

The fourth proportional to 171,419.46, 257,295.03 and 82,735.40 is: 124,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,419.46 : 257,295.03 = 82,735.40 : x
  2. Step 2: Convert to fraction form
    171,419.46/257,295.03 = 82,735.40/x
  3. Step 3: Cross multiply
    171,419.46x = 257,295.03 × 82,735.40
  4. Step 4: Simplify right side
    171,419.46x = 21,287,405,938.59
  5. Step 5: Solve for x
    x = 21,287,405,938.59/171,419.46
  6. Step 6: Final answer
    x = 124,183.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.