Home / 217,759.98-326,682.09-75,610.38

Finding the Fourth Proportional to 217,759.98, 326,682.09 and 75,610.38

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Solution

The fourth proportional to 217,759.98, 326,682.09 and 75,610.38 is: 113,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,759.98 : 326,682.09 = 75,610.38 : x
  2. Step 2: Convert to fraction form
    217,759.98/326,682.09 = 75,610.38/x
  3. Step 3: Cross multiply
    217,759.98x = 326,682.09 × 75,610.38
  4. Step 4: Simplify right side
    217,759.98x = 24,700,556,964.09
  5. Step 5: Solve for x
    x = 24,700,556,964.09/217,759.98
  6. Step 6: Final answer
    x = 113,430.19

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1.5x scale

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.