Home / 142,576.03-196,804.08-82,170.79

Finding the Fourth Proportional to 142,576.03, 196,804.08 and 82,170.79

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Solution

The fourth proportional to 142,576.03, 196,804.08 and 82,170.79 is: 113,424.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,576.03 : 196,804.08 = 82,170.79 : x
  2. Step 2: Convert to fraction form
    142,576.03/196,804.08 = 82,170.79/x
  3. Step 3: Cross multiply
    142,576.03x = 196,804.08 × 82,170.79
  4. Step 4: Simplify right side
    142,576.03x = 16,171,546,728.82
  5. Step 5: Solve for x
    x = 16,171,546,728.82/142,576.03
  6. Step 6: Final answer
    x = 113,424.02

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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.