Home / 209,427.26-289,013.07-113,934.02

Finding the Fourth Proportional to 209,427.26, 289,013.07 and 113,934.02

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Solution

The fourth proportional to 209,427.26, 289,013.07 and 113,934.02 is: 157,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,427.26 : 289,013.07 = 113,934.02 : x
  2. Step 2: Convert to fraction form
    209,427.26/289,013.07 = 113,934.02/x
  3. Step 3: Cross multiply
    209,427.26x = 289,013.07 × 113,934.02
  4. Step 4: Simplify right side
    209,427.26x = 32,928,420,897.64
  5. Step 5: Solve for x
    x = 32,928,420,897.64/209,427.26
  6. Step 6: Final answer
    x = 157,230.83

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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.