Home / 105,006.21-144,907.98-57,258.54

Finding the Fourth Proportional to 105,006.21, 144,907.98 and 57,258.54

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Solution

The fourth proportional to 105,006.21, 144,907.98 and 57,258.54 is: 79,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,006.21 : 144,907.98 = 57,258.54 : x
  2. Step 2: Convert to fraction form
    105,006.21/144,907.98 = 57,258.54/x
  3. Step 3: Cross multiply
    105,006.21x = 144,907.98 × 57,258.54
  4. Step 4: Simplify right side
    105,006.21x = 8,297,219,369.15
  5. Step 5: Solve for x
    x = 8,297,219,369.15/105,006.21
  6. Step 6: Final answer
    x = 79,016.46

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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.