Home / 151,739.80-227,415.30-135,021.40

Finding the Fourth Proportional to 151,739.80, 227,415.30 and 135,021.40

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Solution

The fourth proportional to 151,739.80, 227,415.30 and 135,021.40 is: 202,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,739.80 : 227,415.30 = 135,021.40 : x
  2. Step 2: Convert to fraction form
    151,739.80/227,415.30 = 135,021.40/x
  3. Step 3: Cross multiply
    151,739.80x = 227,415.30 × 135,021.40
  4. Step 4: Simplify right side
    151,739.80x = 30,705,932,187.42
  5. Step 5: Solve for x
    x = 30,705,932,187.42/151,739.80
  6. Step 6: Final answer
    x = 202,359.12

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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.