Home / 142,811.36-197,034.64-82,373.90

Finding the Fourth Proportional to 142,811.36, 197,034.64 and 82,373.90

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Solution

The fourth proportional to 142,811.36, 197,034.64 and 82,373.90 is: 113,650.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,811.36 : 197,034.64 = 82,373.90 : x
  2. Step 2: Convert to fraction form
    142,811.36/197,034.64 = 82,373.90/x
  3. Step 3: Cross multiply
    142,811.36x = 197,034.64 × 82,373.90
  4. Step 4: Simplify right side
    142,811.36x = 16,230,511,731.90
  5. Step 5: Solve for x
    x = 16,230,511,731.90/142,811.36
  6. Step 6: Final answer
    x = 113,650.00

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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.