Home / 100,822.98-151,134.30-48,171

Finding the Fourth Proportional to 100,822.98, 151,134.30 and 48,171

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Solution

The fourth proportional to 100,822.98, 151,134.30 and 48,171 is: 72,208.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,822.98 : 151,134.30 = 48,171 : x
  2. Step 2: Convert to fraction form
    100,822.98/151,134.30 = 48,171/x
  3. Step 3: Cross multiply
    100,822.98x = 151,134.30 × 48,171
  4. Step 4: Simplify right side
    100,822.98x = 7,280,290,365.30
  5. Step 5: Solve for x
    x = 7,280,290,365.30/100,822.98
  6. Step 6: Final answer
    x = 72,208.64

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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.