Home / 104,754.56-144,564.40-57,011.04

Finding the Fourth Proportional to 104,754.56, 144,564.40 and 57,011.04

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Solution

The fourth proportional to 104,754.56, 144,564.40 and 57,011.04 is: 78,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,754.56 : 144,564.40 = 57,011.04 : x
  2. Step 2: Convert to fraction form
    104,754.56/144,564.40 = 57,011.04/x
  3. Step 3: Cross multiply
    104,754.56x = 144,564.40 × 57,011.04
  4. Step 4: Simplify right side
    104,754.56x = 8,241,766,790.98
  5. Step 5: Solve for x
    x = 8,241,766,790.98/104,754.56
  6. Step 6: Final answer
    x = 78,676.93

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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.