Home / 187,405.48-258,619.50-102,522.60

Finding the Fourth Proportional to 187,405.48, 258,619.50 and 102,522.60

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Solution

The fourth proportional to 187,405.48, 258,619.50 and 102,522.60 is: 141,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,405.48 : 258,619.50 = 102,522.60 : x
  2. Step 2: Convert to fraction form
    187,405.48/258,619.50 = 102,522.60/x
  3. Step 3: Cross multiply
    187,405.48x = 258,619.50 × 102,522.60
  4. Step 4: Simplify right side
    187,405.48x = 26,514,343,550.70
  5. Step 5: Solve for x
    x = 26,514,343,550.70/187,405.48
  6. Step 6: Final answer
    x = 141,481.15

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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.