Home / 187,453.50-258,689.07-102,571.98

Finding the Fourth Proportional to 187,453.50, 258,689.07 and 102,571.98

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Solution

The fourth proportional to 187,453.50, 258,689.07 and 102,571.98 is: 141,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,453.50 : 258,689.07 = 102,571.98 : x
  2. Step 2: Convert to fraction form
    187,453.50/258,689.07 = 102,571.98/x
  3. Step 3: Cross multiply
    187,453.50x = 258,689.07 × 102,571.98
  4. Step 4: Simplify right side
    187,453.50x = 26,534,250,114.26
  5. Step 5: Solve for x
    x = 26,534,250,114.26/187,453.50
  6. Step 6: Final answer
    x = 141,551.11

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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.