Home / 102,069.44-140,868.96-57,366.08

Finding the Fourth Proportional to 102,069.44, 140,868.96 and 57,366.08

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Solution

The fourth proportional to 102,069.44, 140,868.96 and 57,366.08 is: 79,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,069.44 : 140,868.96 = 57,366.08 : x
  2. Step 2: Convert to fraction form
    102,069.44/140,868.96 = 57,366.08/x
  3. Step 3: Cross multiply
    102,069.44x = 140,868.96 × 57,366.08
  4. Step 4: Simplify right side
    102,069.44x = 8,081,100,028.88
  5. Step 5: Solve for x
    x = 8,081,100,028.88/102,069.44
  6. Step 6: Final answer
    x = 79,172.57

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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.