Home / 213,272.13-320,105.01-108,164.91

Finding the Fourth Proportional to 213,272.13, 320,105.01 and 108,164.91

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Solution

The fourth proportional to 213,272.13, 320,105.01 and 108,164.91 is: 162,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,272.13 : 320,105.01 = 108,164.91 : x
  2. Step 2: Convert to fraction form
    213,272.13/320,105.01 = 108,164.91/x
  3. Step 3: Cross multiply
    213,272.13x = 320,105.01 × 108,164.91
  4. Step 4: Simplify right side
    213,272.13x = 34,624,129,597.20
  5. Step 5: Solve for x
    x = 34,624,129,597.20/213,272.13
  6. Step 6: Final answer
    x = 162,347.18

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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.