Home / 214,635.80-321,996.90-74,365.40

Finding the Fourth Proportional to 214,635.80, 321,996.90 and 74,365.40

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Solution

The fourth proportional to 214,635.80, 321,996.90 and 74,365.40 is: 111,563.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,635.80 : 321,996.90 = 74,365.40 : x
  2. Step 2: Convert to fraction form
    214,635.80/321,996.90 = 74,365.40/x
  3. Step 3: Cross multiply
    214,635.80x = 321,996.90 × 74,365.40
  4. Step 4: Simplify right side
    214,635.80x = 23,945,428,267.26
  5. Step 5: Solve for x
    x = 23,945,428,267.26/214,635.80
  6. Step 6: Final answer
    x = 111,563.07

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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.