Home / 142,548.03-196,760.06-82,158.87

Finding the Fourth Proportional to 142,548.03, 196,760.06 and 82,158.87

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Solution

The fourth proportional to 142,548.03, 196,760.06 and 82,158.87 is: 113,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,548.03 : 196,760.06 = 82,158.87 : x
  2. Step 2: Convert to fraction form
    142,548.03/196,760.06 = 82,158.87/x
  3. Step 3: Cross multiply
    142,548.03x = 196,760.06 × 82,158.87
  4. Step 4: Simplify right side
    142,548.03x = 16,165,584,226.87
  5. Step 5: Solve for x
    x = 16,165,584,226.87/142,548.03
  6. Step 6: Final answer
    x = 113,404.47

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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.