Home / 142,448.54-196,628.44-82,043.28

Finding the Fourth Proportional to 142,448.54, 196,628.44 and 82,043.28

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Solution

The fourth proportional to 142,448.54, 196,628.44 and 82,043.28 is: 113,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,448.54 : 196,628.44 = 82,043.28 : x
  2. Step 2: Convert to fraction form
    142,448.54/196,628.44 = 82,043.28/x
  3. Step 3: Cross multiply
    142,448.54x = 196,628.44 × 82,043.28
  4. Step 4: Simplify right side
    142,448.54x = 16,132,042,158.88
  5. Step 5: Solve for x
    x = 16,132,042,158.88/142,448.54
  6. Step 6: Final answer
    x = 113,248.21

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1.5x scale

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.