Home / 209,763.10-289,481.90-114,275.04

Finding the Fourth Proportional to 209,763.10, 289,481.90 and 114,275.04

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Solution

The fourth proportional to 209,763.10, 289,481.90 and 114,275.04 is: 157,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,763.10 : 289,481.90 = 114,275.04 : x
  2. Step 2: Convert to fraction form
    209,763.10/289,481.90 = 114,275.04/x
  3. Step 3: Cross multiply
    209,763.10x = 289,481.90 × 114,275.04
  4. Step 4: Simplify right side
    209,763.10x = 33,080,554,687.64
  5. Step 5: Solve for x
    x = 33,080,554,687.64/209,763.10
  6. Step 6: Final answer
    x = 157,704.36

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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.