Home / 109,825.28-164,675.47-43,229.30

Finding the Fourth Proportional to 109,825.28, 164,675.47 and 43,229.30

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Solution

The fourth proportional to 109,825.28, 164,675.47 and 43,229.30 is: 64,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,825.28 : 164,675.47 = 43,229.30 : x
  2. Step 2: Convert to fraction form
    109,825.28/164,675.47 = 43,229.30/x
  3. Step 3: Cross multiply
    109,825.28x = 164,675.47 × 43,229.30
  4. Step 4: Simplify right side
    109,825.28x = 7,118,805,295.27
  5. Step 5: Solve for x
    x = 7,118,805,295.27/109,825.28
  6. Step 6: Final answer
    x = 64,819.37

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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.