Home / 142,939.44-197,252.28-82,519.92

Finding the Fourth Proportional to 142,939.44, 197,252.28 and 82,519.92

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Solution

The fourth proportional to 142,939.44, 197,252.28 and 82,519.92 is: 113,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,939.44 : 197,252.28 = 82,519.92 : x
  2. Step 2: Convert to fraction form
    142,939.44/197,252.28 = 82,519.92/x
  3. Step 3: Cross multiply
    142,939.44x = 197,252.28 × 82,519.92
  4. Step 4: Simplify right side
    142,939.44x = 16,277,242,365.42
  5. Step 5: Solve for x
    x = 16,277,242,365.42/142,939.44
  6. Step 6: Final answer
    x = 113,875.10

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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.