Home / 104,918.56-144,788.40-57,173.20

Finding the Fourth Proportional to 104,918.56, 144,788.40 and 57,173.20

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Solution

The fourth proportional to 104,918.56, 144,788.40 and 57,173.20 is: 78,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,918.56 : 144,788.40 = 57,173.20 : x
  2. Step 2: Convert to fraction form
    104,918.56/144,788.40 = 57,173.20/x
  3. Step 3: Cross multiply
    104,918.56x = 144,788.40 × 57,173.20
  4. Step 4: Simplify right side
    104,918.56x = 8,278,016,150.88
  5. Step 5: Solve for x
    x = 8,278,016,150.88/104,918.56
  6. Step 6: Final answer
    x = 78,899.44

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1.5x scale

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.