Home / 103,174.44-142,386.84-57,867.36

Finding the Fourth Proportional to 103,174.44, 142,386.84 and 57,867.36

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Solution

The fourth proportional to 103,174.44, 142,386.84 and 57,867.36 is: 79,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,174.44 : 142,386.84 = 57,867.36 : x
  2. Step 2: Convert to fraction form
    103,174.44/142,386.84 = 57,867.36/x
  3. Step 3: Cross multiply
    103,174.44x = 142,386.84 × 57,867.36
  4. Step 4: Simplify right side
    103,174.44x = 8,239,550,529.54
  5. Step 5: Solve for x
    x = 8,239,550,529.54/103,174.44
  6. Step 6: Final answer
    x = 79,860.39

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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.