Home / 213,457.32-320,185.98-80,367.44

Finding the Fourth Proportional to 213,457.32, 320,185.98 and 80,367.44

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Solution

The fourth proportional to 213,457.32, 320,185.98 and 80,367.44 is: 120,551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,457.32 : 320,185.98 = 80,367.44 : x
  2. Step 2: Convert to fraction form
    213,457.32/320,185.98 = 80,367.44/x
  3. Step 3: Cross multiply
    213,457.32x = 320,185.98 × 80,367.44
  4. Step 4: Simplify right side
    213,457.32x = 25,732,527,536.49
  5. Step 5: Solve for x
    x = 25,732,527,536.49/213,457.32
  6. Step 6: Final answer
    x = 120,551.16

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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.