Home / 213,162.20-294,163.55-117,668.67

Finding the Fourth Proportional to 213,162.20, 294,163.55 and 117,668.67

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Solution

The fourth proportional to 213,162.20, 294,163.55 and 117,668.67 is: 162,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,162.20 : 294,163.55 = 117,668.67 : x
  2. Step 2: Convert to fraction form
    213,162.20/294,163.55 = 117,668.67/x
  3. Step 3: Cross multiply
    213,162.20x = 294,163.55 × 117,668.67
  4. Step 4: Simplify right side
    213,162.20x = 34,613,832,440.78
  5. Step 5: Solve for x
    x = 34,613,832,440.78/213,162.20
  6. Step 6: Final answer
    x = 162,382.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.