Home / 213,289.20-294,324.23-117,788.38

Finding the Fourth Proportional to 213,289.20, 294,324.23 and 117,788.38

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Solution

The fourth proportional to 213,289.20, 294,324.23 and 117,788.38 is: 162,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,289.20 : 294,324.23 = 117,788.38 : x
  2. Step 2: Convert to fraction form
    213,289.20/294,324.23 = 117,788.38/x
  3. Step 3: Cross multiply
    213,289.20x = 294,324.23 × 117,788.38
  4. Step 4: Simplify right side
    213,289.20x = 34,667,973,805.11
  5. Step 5: Solve for x
    x = 34,667,973,805.11/213,289.20
  6. Step 6: Final answer
    x = 162,539.75

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1.5x scale

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.