Home / 213,909.26-320,883.32-64,143.50

Finding the Fourth Proportional to 213,909.26, 320,883.32 and 64,143.50

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Solution

The fourth proportional to 213,909.26, 320,883.32 and 64,143.50 is: 96,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,909.26 : 320,883.32 = 64,143.50 : x
  2. Step 2: Convert to fraction form
    213,909.26/320,883.32 = 64,143.50/x
  3. Step 3: Cross multiply
    213,909.26x = 320,883.32 × 64,143.50
  4. Step 4: Simplify right side
    213,909.26x = 20,582,577,792.36
  5. Step 5: Solve for x
    x = 20,582,577,792.36/213,909.26
  6. Step 6: Final answer
    x = 96,221.07

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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.