Home / 143,385.36-215,064.06-43,546.38

Finding the Fourth Proportional to 143,385.36, 215,064.06 and 43,546.38

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Solution

The fourth proportional to 143,385.36, 215,064.06 and 43,546.38 is: 65,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,385.36 : 215,064.06 = 43,546.38 : x
  2. Step 2: Convert to fraction form
    143,385.36/215,064.06 = 43,546.38/x
  3. Step 3: Cross multiply
    143,385.36x = 215,064.06 × 43,546.38
  4. Step 4: Simplify right side
    143,385.36x = 9,365,260,556.26
  5. Step 5: Solve for x
    x = 9,365,260,556.26/143,385.36
  6. Step 6: Final answer
    x = 65,315.32

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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.