Home / 187,199.66-258,331.72-102,317.33

Finding the Fourth Proportional to 187,199.66, 258,331.72 and 102,317.33

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Solution

The fourth proportional to 187,199.66, 258,331.72 and 102,317.33 is: 141,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,199.66 : 258,331.72 = 102,317.33 : x
  2. Step 2: Convert to fraction form
    187,199.66/258,331.72 = 102,317.33/x
  3. Step 3: Cross multiply
    187,199.66x = 258,331.72 × 102,317.33
  4. Step 4: Simplify right side
    187,199.66x = 26,431,811,844.71
  5. Step 5: Solve for x
    x = 26,431,811,844.71/187,199.66
  6. Step 6: Final answer
    x = 141,195.83

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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.