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Finding the Fourth Proportional to 119,474.37, 179,168.90 and 39,497.67

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Solution

The fourth proportional to 119,474.37, 179,168.90 and 39,497.67 is: 59,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,474.37 : 179,168.90 = 39,497.67 : x
  2. Step 2: Convert to fraction form
    119,474.37/179,168.90 = 39,497.67/x
  3. Step 3: Cross multiply
    119,474.37x = 179,168.90 × 39,497.67
  4. Step 4: Simplify right side
    119,474.37x = 7,076,753,888.97
  5. Step 5: Solve for x
    x = 7,076,753,888.97/119,474.37
  6. Step 6: Final answer
    x = 59,232.40

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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.