Home / 187,582.26-258,863.40-102,699.30

Finding the Fourth Proportional to 187,582.26, 258,863.40 and 102,699.30

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Solution

The fourth proportional to 187,582.26, 258,863.40 and 102,699.30 is: 141,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,582.26 : 258,863.40 = 102,699.30 : x
  2. Step 2: Convert to fraction form
    187,582.26/258,863.40 = 102,699.30/x
  3. Step 3: Cross multiply
    187,582.26x = 258,863.40 × 102,699.30
  4. Step 4: Simplify right side
    187,582.26x = 26,585,089,975.62
  5. Step 5: Solve for x
    x = 26,585,089,975.62/187,582.26
  6. Step 6: Final answer
    x = 141,724.97

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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.