Home / 143,546.63-198,094.37-79,884.50

Finding the Fourth Proportional to 143,546.63, 198,094.37 and 79,884.50

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Solution

The fourth proportional to 143,546.63, 198,094.37 and 79,884.50 is: 110,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,546.63 : 198,094.37 = 79,884.50 : x
  2. Step 2: Convert to fraction form
    143,546.63/198,094.37 = 79,884.50/x
  3. Step 3: Cross multiply
    143,546.63x = 198,094.37 × 79,884.50
  4. Step 4: Simplify right side
    143,546.63x = 15,824,668,310.37
  5. Step 5: Solve for x
    x = 15,824,668,310.37/143,546.63
  6. Step 6: Final answer
    x = 110,240.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.