Home / 187,174.09-258,299.67-102,291.15

Finding the Fourth Proportional to 187,174.09, 258,299.67 and 102,291.15

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Solution

The fourth proportional to 187,174.09, 258,299.67 and 102,291.15 is: 141,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,174.09 : 258,299.67 = 102,291.15 : x
  2. Step 2: Convert to fraction form
    187,174.09/258,299.67 = 102,291.15/x
  3. Step 3: Cross multiply
    187,174.09x = 258,299.67 × 102,291.15
  4. Step 4: Simplify right side
    187,174.09x = 26,421,769,777.46
  5. Step 5: Solve for x
    x = 26,421,769,777.46/187,174.09
  6. Step 6: Final answer
    x = 141,161.47

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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.