Home / 102,947.20-154,406.40-32,833.60

Finding the Fourth Proportional to 102,947.20, 154,406.40 and 32,833.60

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Solution

The fourth proportional to 102,947.20, 154,406.40 and 32,833.60 is: 49,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,947.20 : 154,406.40 = 32,833.60 : x
  2. Step 2: Convert to fraction form
    102,947.20/154,406.40 = 32,833.60/x
  3. Step 3: Cross multiply
    102,947.20x = 154,406.40 × 32,833.60
  4. Step 4: Simplify right side
    102,947.20x = 5,069,717,975.04
  5. Step 5: Solve for x
    x = 5,069,717,975.04/102,947.20
  6. Step 6: Final answer
    x = 49,245.81

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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.