Home / 187,128.24-258,231.24-102,245.19

Finding the Fourth Proportional to 187,128.24, 258,231.24 and 102,245.19

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Solution

The fourth proportional to 187,128.24, 258,231.24 and 102,245.19 is: 141,095.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,128.24 : 258,231.24 = 102,245.19 : x
  2. Step 2: Convert to fraction form
    187,128.24/258,231.24 = 102,245.19/x
  3. Step 3: Cross multiply
    187,128.24x = 258,231.24 × 102,245.19
  4. Step 4: Simplify right side
    187,128.24x = 26,402,902,197.74
  5. Step 5: Solve for x
    x = 26,402,902,197.74/187,128.24
  6. Step 6: Final answer
    x = 141,095.23

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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.