Home / 187,144.35-258,259.86-102,261.41

Finding the Fourth Proportional to 187,144.35, 258,259.86 and 102,261.41

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Solution

The fourth proportional to 187,144.35, 258,259.86 and 102,261.41 is: 141,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,144.35 : 258,259.86 = 102,261.41 : x
  2. Step 2: Convert to fraction form
    187,144.35/258,259.86 = 102,261.41/x
  3. Step 3: Cross multiply
    187,144.35x = 258,259.86 × 102,261.41
  4. Step 4: Simplify right side
    187,144.35x = 26,410,017,430.00
  5. Step 5: Solve for x
    x = 26,410,017,430.00/187,144.35
  6. Step 6: Final answer
    x = 141,121.10

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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.