Home / 214,729.60-322,094.40-135,932.80

Finding the Fourth Proportional to 214,729.60, 322,094.40 and 135,932.80

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Solution

The fourth proportional to 214,729.60, 322,094.40 and 135,932.80 is: 203,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,729.60 : 322,094.40 = 135,932.80 : x
  2. Step 2: Convert to fraction form
    214,729.60/322,094.40 = 135,932.80/x
  3. Step 3: Cross multiply
    214,729.60x = 322,094.40 × 135,932.80
  4. Step 4: Simplify right side
    214,729.60x = 43,783,193,656.32
  5. Step 5: Solve for x
    x = 43,783,193,656.32/214,729.60
  6. Step 6: Final answer
    x = 203,899.20

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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.