Home / 187,289.89-258,476.93-106,743.36

Finding the Fourth Proportional to 187,289.89, 258,476.93 and 106,743.36

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Solution

The fourth proportional to 187,289.89, 258,476.93 and 106,743.36 is: 147,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,289.89 : 258,476.93 = 106,743.36 : x
  2. Step 2: Convert to fraction form
    187,289.89/258,476.93 = 106,743.36/x
  3. Step 3: Cross multiply
    187,289.89x = 258,476.93 × 106,743.36
  4. Step 4: Simplify right side
    187,289.89x = 27,590,694,164.58
  5. Step 5: Solve for x
    x = 27,590,694,164.58/187,289.89
  6. Step 6: Final answer
    x = 147,315.45

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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.