Home / 187,415.26-258,633.09-101,374.21

Finding the Fourth Proportional to 187,415.26, 258,633.09 and 101,374.21

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Solution

The fourth proportional to 187,415.26, 258,633.09 and 101,374.21 is: 139,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,415.26 : 258,633.09 = 101,374.21 : x
  2. Step 2: Convert to fraction form
    187,415.26/258,633.09 = 101,374.21/x
  3. Step 3: Cross multiply
    187,415.26x = 258,633.09 × 101,374.21
  4. Step 4: Simplify right side
    187,415.26x = 26,218,724,047.09
  5. Step 5: Solve for x
    x = 26,218,724,047.09/187,415.26
  6. Step 6: Final answer
    x = 139,896.42

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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.