Home / 142,945.13-214,372.96-51,749.03

Finding the Fourth Proportional to 142,945.13, 214,372.96 and 51,749.03

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Solution

The fourth proportional to 142,945.13, 214,372.96 and 51,749.03 is: 77,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,945.13 : 214,372.96 = 51,749.03 : x
  2. Step 2: Convert to fraction form
    142,945.13/214,372.96 = 51,749.03/x
  3. Step 3: Cross multiply
    142,945.13x = 214,372.96 × 51,749.03
  4. Step 4: Simplify right side
    142,945.13x = 11,093,591,536.99
  5. Step 5: Solve for x
    x = 11,093,591,536.99/142,945.13
  6. Step 6: Final answer
    x = 77,607.34

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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.