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Finding the Fourth Proportional to 101,524.79, 152,379.23 and 54,179.89

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Solution

The fourth proportional to 101,524.79, 152,379.23 and 54,179.89 is: 81,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,524.79 : 152,379.23 = 54,179.89 : x
  2. Step 2: Convert to fraction form
    101,524.79/152,379.23 = 54,179.89/x
  3. Step 3: Cross multiply
    101,524.79x = 152,379.23 × 54,179.89
  4. Step 4: Simplify right side
    101,524.79x = 8,255,889,267.84
  5. Step 5: Solve for x
    x = 8,255,889,267.84/101,524.79
  6. Step 6: Final answer
    x = 81,318.95

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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.