Home / 104,872.78-144,725.70-57,126.52

Finding the Fourth Proportional to 104,872.78, 144,725.70 and 57,126.52

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Solution

The fourth proportional to 104,872.78, 144,725.70 and 57,126.52 is: 78,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,872.78 : 144,725.70 = 57,126.52 : x
  2. Step 2: Convert to fraction form
    104,872.78/144,725.70 = 57,126.52/x
  3. Step 3: Cross multiply
    104,872.78x = 144,725.70 × 57,126.52
  4. Step 4: Simplify right side
    104,872.78x = 8,267,675,595.56
  5. Step 5: Solve for x
    x = 8,267,675,595.56/104,872.78
  6. Step 6: Final answer
    x = 78,835.29

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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.