Home / 187,676.10-258,996.33-102,787.65

Finding the Fourth Proportional to 187,676.10, 258,996.33 and 102,787.65

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Solution

The fourth proportional to 187,676.10, 258,996.33 and 102,787.65 is: 141,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,676.10 : 258,996.33 = 102,787.65 : x
  2. Step 2: Convert to fraction form
    187,676.10/258,996.33 = 102,787.65/x
  3. Step 3: Cross multiply
    187,676.10x = 258,996.33 × 102,787.65
  4. Step 4: Simplify right side
    187,676.10x = 26,621,624,119.32
  5. Step 5: Solve for x
    x = 26,621,624,119.32/187,676.10
  6. Step 6: Final answer
    x = 141,848.77

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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.