Home / 151,739.20-227,608.80-53,243.20

Finding the Fourth Proportional to 151,739.20, 227,608.80 and 53,243.20

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Solution

The fourth proportional to 151,739.20, 227,608.80 and 53,243.20 is: 79,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,739.20 : 227,608.80 = 53,243.20 : x
  2. Step 2: Convert to fraction form
    151,739.20/227,608.80 = 53,243.20/x
  3. Step 3: Cross multiply
    151,739.20x = 227,608.80 × 53,243.20
  4. Step 4: Simplify right side
    151,739.20x = 12,118,620,860.16
  5. Step 5: Solve for x
    x = 12,118,620,860.16/151,739.20
  6. Step 6: Final answer
    x = 79,864.80

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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.