Home / 104,917.30-144,785.88-57,170.64

Finding the Fourth Proportional to 104,917.30, 144,785.88 and 57,170.64

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Solution

The fourth proportional to 104,917.30, 144,785.88 and 57,170.64 is: 78,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,917.30 : 144,785.88 = 57,170.64 : x
  2. Step 2: Convert to fraction form
    104,917.30/144,785.88 = 57,170.64/x
  3. Step 3: Cross multiply
    104,917.30x = 144,785.88 × 57,170.64
  4. Step 4: Simplify right side
    104,917.30x = 8,277,501,422.56
  5. Step 5: Solve for x
    x = 8,277,501,422.56/104,917.30
  6. Step 6: Final answer
    x = 78,895.49

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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.