Home / 187,717.02-258,986.10-107,087.80

Finding the Fourth Proportional to 187,717.02, 258,986.10 and 107,087.80

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Solution

The fourth proportional to 187,717.02, 258,986.10 and 107,087.80 is: 147,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,717.02 : 258,986.10 = 107,087.80 : x
  2. Step 2: Convert to fraction form
    187,717.02/258,986.10 = 107,087.80/x
  3. Step 3: Cross multiply
    187,717.02x = 258,986.10 × 107,087.80
  4. Step 4: Simplify right side
    187,717.02x = 27,734,251,679.58
  5. Step 5: Solve for x
    x = 27,734,251,679.58/187,717.02
  6. Step 6: Final answer
    x = 147,745.00

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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.