Home / 103,174.44-142,386.60-57,867

Finding the Fourth Proportional to 103,174.44, 142,386.60 and 57,867

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Solution

The fourth proportional to 103,174.44, 142,386.60 and 57,867 is: 79,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,174.44 : 142,386.60 = 57,867 : x
  2. Step 2: Convert to fraction form
    103,174.44/142,386.60 = 57,867/x
  3. Step 3: Cross multiply
    103,174.44x = 142,386.60 × 57,867
  4. Step 4: Simplify right side
    103,174.44x = 8,239,485,382.20
  5. Step 5: Solve for x
    x = 8,239,485,382.20/103,174.44
  6. Step 6: Final answer
    x = 79,859.75

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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.