Home / 213,401.39-320,116.66-63,630.16

Finding the Fourth Proportional to 213,401.39, 320,116.66 and 63,630.16

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Solution

The fourth proportional to 213,401.39, 320,116.66 and 63,630.16 is: 95,449.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,401.39 : 320,116.66 = 63,630.16 : x
  2. Step 2: Convert to fraction form
    213,401.39/320,116.66 = 63,630.16/x
  3. Step 3: Cross multiply
    213,401.39x = 320,116.66 × 63,630.16
  4. Step 4: Simplify right side
    213,401.39x = 20,369,073,335.10
  5. Step 5: Solve for x
    x = 20,369,073,335.10/213,401.39
  6. Step 6: Final answer
    x = 95,449.58

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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.