Home / 103,616.92-142,371.67-82,359.28

Finding the Fourth Proportional to 103,616.92, 142,371.67 and 82,359.28

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Solution

The fourth proportional to 103,616.92, 142,371.67 and 82,359.28 is: 113,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,616.92 : 142,371.67 = 82,359.28 : x
  2. Step 2: Convert to fraction form
    103,616.92/142,371.67 = 82,359.28/x
  3. Step 3: Cross multiply
    103,616.92x = 142,371.67 × 82,359.28
  4. Step 4: Simplify right side
    103,616.92x = 11,725,628,233.60
  5. Step 5: Solve for x
    x = 11,725,628,233.60/103,616.92
  6. Step 6: Final answer
    x = 113,163.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.