Home / 100,928.55-151,394.00-43,218.03

Finding the Fourth Proportional to 100,928.55, 151,394.00 and 43,218.03

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Solution

The fourth proportional to 100,928.55, 151,394.00 and 43,218.03 is: 64,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,928.55 : 151,394.00 = 43,218.03 : x
  2. Step 2: Convert to fraction form
    100,928.55/151,394.00 = 43,218.03/x
  3. Step 3: Cross multiply
    100,928.55x = 151,394.00 × 43,218.03
  4. Step 4: Simplify right side
    100,928.55x = 6,542,950,217.73
  5. Step 5: Solve for x
    x = 6,542,950,217.73/100,928.55
  6. Step 6: Final answer
    x = 64,827.55

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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.