Home / 213,749.64-320,668.20-73,490.04

Finding the Fourth Proportional to 213,749.64, 320,668.20 and 73,490.04

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Solution

The fourth proportional to 213,749.64, 320,668.20 and 73,490.04 is: 110,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,749.64 : 320,668.20 = 73,490.04 : x
  2. Step 2: Convert to fraction form
    213,749.64/320,668.20 = 73,490.04/x
  3. Step 3: Cross multiply
    213,749.64x = 320,668.20 × 73,490.04
  4. Step 4: Simplify right side
    213,749.64x = 23,565,918,844.73
  5. Step 5: Solve for x
    x = 23,565,918,844.73/213,749.64
  6. Step 6: Final answer
    x = 110,250.10

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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.