Home / 143,077.08-197,455.61-82,650.27

Finding the Fourth Proportional to 143,077.08, 197,455.61 and 82,650.27

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Solution

The fourth proportional to 143,077.08, 197,455.61 and 82,650.27 is: 114,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,077.08 : 197,455.61 = 82,650.27 : x
  2. Step 2: Convert to fraction form
    143,077.08/197,455.61 = 82,650.27/x
  3. Step 3: Cross multiply
    143,077.08x = 197,455.61 × 82,650.27
  4. Step 4: Simplify right side
    143,077.08x = 16,319,759,686.14
  5. Step 5: Solve for x
    x = 16,319,759,686.14/143,077.08
  6. Step 6: Final answer
    x = 114,062.71

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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.