Home / 213,623.67-320,432.67-63,865.20

Finding the Fourth Proportional to 213,623.67, 320,432.67 and 63,865.20

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Solution

The fourth proportional to 213,623.67, 320,432.67 and 63,865.20 is: 95,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,623.67 : 320,432.67 = 63,865.20 : x
  2. Step 2: Convert to fraction form
    213,623.67/320,432.67 = 63,865.20/x
  3. Step 3: Cross multiply
    213,623.67x = 320,432.67 × 63,865.20
  4. Step 4: Simplify right side
    213,623.67x = 20,464,496,556.08
  5. Step 5: Solve for x
    x = 20,464,496,556.08/213,623.67
  6. Step 6: Final answer
    x = 95,796.95

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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.