Home / 214,260.30-321,427.35-87,969.27

Finding the Fourth Proportional to 214,260.30, 321,427.35 and 87,969.27

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Solution

The fourth proportional to 214,260.30, 321,427.35 and 87,969.27 is: 131,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,260.30 : 321,427.35 = 87,969.27 : x
  2. Step 2: Convert to fraction form
    214,260.30/321,427.35 = 87,969.27/x
  3. Step 3: Cross multiply
    214,260.30x = 321,427.35 × 87,969.27
  4. Step 4: Simplify right side
    214,260.30x = 28,275,729,337.53
  5. Step 5: Solve for x
    x = 28,275,729,337.53/214,260.30
  6. Step 6: Final answer
    x = 131,969.06

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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.