Home / 213,028.06-319,707.33-80,029.30

Finding the Fourth Proportional to 213,028.06, 319,707.33 and 80,029.30

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Solution

The fourth proportional to 213,028.06, 319,707.33 and 80,029.30 is: 120,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,028.06 : 319,707.33 = 80,029.30 : x
  2. Step 2: Convert to fraction form
    213,028.06/319,707.33 = 80,029.30/x
  3. Step 3: Cross multiply
    213,028.06x = 319,707.33 × 80,029.30
  4. Step 4: Simplify right side
    213,028.06x = 25,585,953,824.77
  5. Step 5: Solve for x
    x = 25,585,953,824.77/213,028.06
  6. Step 6: Final answer
    x = 120,106.03

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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.