Home / 107,890.93-161,816.91-28,986.69

Finding the Fourth Proportional to 107,890.93, 161,816.91 and 28,986.69

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Solution

The fourth proportional to 107,890.93, 161,816.91 and 28,986.69 is: 43,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,890.93 : 161,816.91 = 28,986.69 : x
  2. Step 2: Convert to fraction form
    107,890.93/161,816.91 = 28,986.69/x
  3. Step 3: Cross multiply
    107,890.93x = 161,816.91 × 28,986.69
  4. Step 4: Simplify right side
    107,890.93x = 4,690,536,606.93
  5. Step 5: Solve for x
    x = 4,690,536,606.93/107,890.93
  6. Step 6: Final answer
    x = 43,474.80

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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.