Home / 187,454.25-258,686.87-102,571.31

Finding the Fourth Proportional to 187,454.25, 258,686.87 and 102,571.31

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Solution

The fourth proportional to 187,454.25, 258,686.87 and 102,571.31 is: 141,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,454.25 : 258,686.87 = 102,571.31 : x
  2. Step 2: Convert to fraction form
    187,454.25/258,686.87 = 102,571.31/x
  3. Step 3: Cross multiply
    187,454.25x = 258,686.87 × 102,571.31
  4. Step 4: Simplify right side
    187,454.25x = 26,533,851,269.56
  5. Step 5: Solve for x
    x = 26,533,851,269.56/187,454.25
  6. Step 6: Final answer
    x = 141,548.41

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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.