Home / 187,374.96-258,571-106,828.42

Finding the Fourth Proportional to 187,374.96, 258,571 and 106,828.42

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Solution

The fourth proportional to 187,374.96, 258,571 and 106,828.42 is: 147,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,374.96 : 258,571 = 106,828.42 : x
  2. Step 2: Convert to fraction form
    187,374.96/258,571 = 106,828.42/x
  3. Step 3: Cross multiply
    187,374.96x = 258,571 × 106,828.42
  4. Step 4: Simplify right side
    187,374.96x = 27,622,731,387.82
  5. Step 5: Solve for x
    x = 27,622,731,387.82/187,374.96
  6. Step 6: Final answer
    x = 147,419.55

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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.