Home / 152,791.48-229,183.62-90,009.76

Finding the Fourth Proportional to 152,791.48, 229,183.62 and 90,009.76

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Solution

The fourth proportional to 152,791.48, 229,183.62 and 90,009.76 is: 135,012.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,791.48 : 229,183.62 = 90,009.76 : x
  2. Step 2: Convert to fraction form
    152,791.48/229,183.62 = 90,009.76/x
  3. Step 3: Cross multiply
    152,791.48x = 229,183.62 × 90,009.76
  4. Step 4: Simplify right side
    152,791.48x = 20,628,762,632.13
  5. Step 5: Solve for x
    x = 20,628,762,632.13/152,791.48
  6. Step 6: Final answer
    x = 135,012.52

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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.