Home / 104,759.13-144,564.82-57,011.45

Finding the Fourth Proportional to 104,759.13, 144,564.82 and 57,011.45

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Solution

The fourth proportional to 104,759.13, 144,564.82 and 57,011.45 is: 78,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,759.13 : 144,564.82 = 57,011.45 : x
  2. Step 2: Convert to fraction form
    104,759.13/144,564.82 = 57,011.45/x
  3. Step 3: Cross multiply
    104,759.13x = 144,564.82 × 57,011.45
  4. Step 4: Simplify right side
    104,759.13x = 8,241,850,007.19
  5. Step 5: Solve for x
    x = 8,241,850,007.19/104,759.13
  6. Step 6: Final answer
    x = 78,674.29

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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.