Home / 134,651.24-185,819.08-80,967

Finding the Fourth Proportional to 134,651.24, 185,819.08 and 80,967

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Solution

The fourth proportional to 134,651.24, 185,819.08 and 80,967 is: 111,734.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,651.24 : 185,819.08 = 80,967 : x
  2. Step 2: Convert to fraction form
    134,651.24/185,819.08 = 80,967/x
  3. Step 3: Cross multiply
    134,651.24x = 185,819.08 × 80,967
  4. Step 4: Simplify right side
    134,651.24x = 15,045,213,450.36
  5. Step 5: Solve for x
    x = 15,045,213,450.36/134,651.24
  6. Step 6: Final answer
    x = 111,734.68

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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.