Home / 187,435.31-258,664.46-102,554.19

Finding the Fourth Proportional to 187,435.31, 258,664.46 and 102,554.19

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Solution

The fourth proportional to 187,435.31, 258,664.46 and 102,554.19 is: 141,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,435.31 : 258,664.46 = 102,554.19 : x
  2. Step 2: Convert to fraction form
    187,435.31/258,664.46 = 102,554.19/x
  3. Step 3: Cross multiply
    187,435.31x = 258,664.46 × 102,554.19
  4. Step 4: Simplify right side
    187,435.31x = 26,527,123,664.32
  5. Step 5: Solve for x
    x = 26,527,123,664.32/187,435.31
  6. Step 6: Final answer
    x = 141,526.83

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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.