Home / 119,817.51-179,749.31-45,939.75

Finding the Fourth Proportional to 119,817.51, 179,749.31 and 45,939.75

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Solution

The fourth proportional to 119,817.51, 179,749.31 and 45,939.75 is: 68,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,817.51 : 179,749.31 = 45,939.75 : x
  2. Step 2: Convert to fraction form
    119,817.51/179,749.31 = 45,939.75/x
  3. Step 3: Cross multiply
    119,817.51x = 179,749.31 × 45,939.75
  4. Step 4: Simplify right side
    119,817.51x = 8,257,638,134.37
  5. Step 5: Solve for x
    x = 8,257,638,134.37/119,817.51
  6. Step 6: Final answer
    x = 68,918.46

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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.