Home / 187,431.81-258,662.34-102,548.85

Finding the Fourth Proportional to 187,431.81, 258,662.34 and 102,548.85

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Solution

The fourth proportional to 187,431.81, 258,662.34 and 102,548.85 is: 141,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,431.81 : 258,662.34 = 102,548.85 : x
  2. Step 2: Convert to fraction form
    187,431.81/258,662.34 = 102,548.85/x
  3. Step 3: Cross multiply
    187,431.81x = 258,662.34 × 102,548.85
  4. Step 4: Simplify right side
    187,431.81x = 26,525,525,505.31
  5. Step 5: Solve for x
    x = 26,525,525,505.31/187,431.81
  6. Step 6: Final answer
    x = 141,520.94

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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.