Home / 187,309.94-258,476.67-106,736.81

Finding the Fourth Proportional to 187,309.94, 258,476.67 and 106,736.81

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Solution

The fourth proportional to 187,309.94, 258,476.67 and 106,736.81 is: 147,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,309.94 : 258,476.67 = 106,736.81 : x
  2. Step 2: Convert to fraction form
    187,309.94/258,476.67 = 106,736.81/x
  3. Step 3: Cross multiply
    187,309.94x = 258,476.67 × 106,736.81
  4. Step 4: Simplify right side
    187,309.94x = 27,588,973,922.84
  5. Step 5: Solve for x
    x = 27,588,973,922.84/187,309.94
  6. Step 6: Final answer
    x = 147,290.50

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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.