Home / 113,821.76-170,616-43,682.24

Finding the Fourth Proportional to 113,821.76, 170,616 and 43,682.24

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Solution

The fourth proportional to 113,821.76, 170,616 and 43,682.24 is: 65,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,821.76 : 170,616 = 43,682.24 : x
  2. Step 2: Convert to fraction form
    113,821.76/170,616 = 43,682.24/x
  3. Step 3: Cross multiply
    113,821.76x = 170,616 × 43,682.24
  4. Step 4: Simplify right side
    113,821.76x = 7,452,889,059.84
  5. Step 5: Solve for x
    x = 7,452,889,059.84/113,821.76
  6. Step 6: Final answer
    x = 65,478.60

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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.