Home / 100,824.98-151,137.30-48,173

Finding the Fourth Proportional to 100,824.98, 151,137.30 and 48,173

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Solution

The fourth proportional to 100,824.98, 151,137.30 and 48,173 is: 72,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,824.98 : 151,137.30 = 48,173 : x
  2. Step 2: Convert to fraction form
    100,824.98/151,137.30 = 48,173/x
  3. Step 3: Cross multiply
    100,824.98x = 151,137.30 × 48,173
  4. Step 4: Simplify right side
    100,824.98x = 7,280,737,152.90
  5. Step 5: Solve for x
    x = 7,280,737,152.90/100,824.98
  6. Step 6: Final answer
    x = 72,211.64

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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.