Home / 187,610.36-258,899.72-102,727.41

Finding the Fourth Proportional to 187,610.36, 258,899.72 and 102,727.41

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Solution

The fourth proportional to 187,610.36, 258,899.72 and 102,727.41 is: 141,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,610.36 : 258,899.72 = 102,727.41 : x
  2. Step 2: Convert to fraction form
    187,610.36/258,899.72 = 102,727.41/x
  3. Step 3: Cross multiply
    187,610.36x = 258,899.72 × 102,727.41
  4. Step 4: Simplify right side
    187,610.36x = 26,596,097,171.69
  5. Step 5: Solve for x
    x = 26,596,097,171.69/187,610.36
  6. Step 6: Final answer
    x = 141,762.42

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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.