Home / 213,376.76-320,266-108,271.16

Finding the Fourth Proportional to 213,376.76, 320,266 and 108,271.16

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Solution

The fourth proportional to 213,376.76, 320,266 and 108,271.16 is: 162,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,376.76 : 320,266 = 108,271.16 : x
  2. Step 2: Convert to fraction form
    213,376.76/320,266 = 108,271.16/x
  3. Step 3: Cross multiply
    213,376.76x = 320,266 × 108,271.16
  4. Step 4: Simplify right side
    213,376.76x = 34,675,571,328.56
  5. Step 5: Solve for x
    x = 34,675,571,328.56/213,376.76
  6. Step 6: Final answer
    x = 162,508.66

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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.