Home / 143,027.01-197,364.19-84,873.72

Finding the Fourth Proportional to 143,027.01, 197,364.19 and 84,873.72

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Solution

The fourth proportional to 143,027.01, 197,364.19 and 84,873.72 is: 117,117.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,027.01 : 197,364.19 = 84,873.72 : x
  2. Step 2: Convert to fraction form
    143,027.01/197,364.19 = 84,873.72/x
  3. Step 3: Cross multiply
    143,027.01x = 197,364.19 × 84,873.72
  4. Step 4: Simplify right side
    143,027.01x = 16,751,033,000.09
  5. Step 5: Solve for x
    x = 16,751,033,000.09/143,027.01
  6. Step 6: Final answer
    x = 117,117.97

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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.