Home / 104,758.89-144,564.49-57,011.21

Finding the Fourth Proportional to 104,758.89, 144,564.49 and 57,011.21

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Solution

The fourth proportional to 104,758.89, 144,564.49 and 57,011.21 is: 78,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,758.89 : 144,564.49 = 57,011.21 : x
  2. Step 2: Convert to fraction form
    104,758.89/144,564.49 = 57,011.21/x
  3. Step 3: Cross multiply
    104,758.89x = 144,564.49 × 57,011.21
  4. Step 4: Simplify right side
    104,758.89x = 8,241,795,490.05
  5. Step 5: Solve for x
    x = 8,241,795,490.05/104,758.89
  6. Step 6: Final answer
    x = 78,673.95

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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.