Home / 143,034.35-197,391.93-82,603.90

Finding the Fourth Proportional to 143,034.35, 197,391.93 and 82,603.90

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Solution

The fourth proportional to 143,034.35, 197,391.93 and 82,603.90 is: 113,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,034.35 : 197,391.93 = 82,603.90 : x
  2. Step 2: Convert to fraction form
    143,034.35/197,391.93 = 82,603.90/x
  3. Step 3: Cross multiply
    143,034.35x = 197,391.93 × 82,603.90
  4. Step 4: Simplify right side
    143,034.35x = 16,305,343,246.53
  5. Step 5: Solve for x
    x = 16,305,343,246.53/143,034.35
  6. Step 6: Final answer
    x = 113,996.00

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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.