Home / 187,680.82-258,996.61-107,106.28

Finding the Fourth Proportional to 187,680.82, 258,996.61 and 107,106.28

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Solution

The fourth proportional to 187,680.82, 258,996.61 and 107,106.28 is: 147,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,680.82 : 258,996.61 = 107,106.28 : x
  2. Step 2: Convert to fraction form
    187,680.82/258,996.61 = 107,106.28/x
  3. Step 3: Cross multiply
    187,680.82x = 258,996.61 × 107,106.28
  4. Step 4: Simplify right side
    187,680.82x = 27,740,163,429.71
  5. Step 5: Solve for x
    x = 27,740,163,429.71/187,680.82
  6. Step 6: Final answer
    x = 147,805.00

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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.