Home / 143,921.00-215,883.33-38,739.97

Finding the Fourth Proportional to 143,921.00, 215,883.33 and 38,739.97

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Solution

The fourth proportional to 143,921.00, 215,883.33 and 38,739.97 is: 58,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,921.00 : 215,883.33 = 38,739.97 : x
  2. Step 2: Convert to fraction form
    143,921.00/215,883.33 = 38,739.97/x
  3. Step 3: Cross multiply
    143,921.00x = 215,883.33 × 38,739.97
  4. Step 4: Simplify right side
    143,921.00x = 8,363,313,852.28
  5. Step 5: Solve for x
    x = 8,363,313,852.28/143,921.00
  6. Step 6: Final answer
    x = 58,110.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.