Home / 187,614.51-258,910.89-102,739.47

Finding the Fourth Proportional to 187,614.51, 258,910.89 and 102,739.47

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Solution

The fourth proportional to 187,614.51, 258,910.89 and 102,739.47 is: 141,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,614.51 : 258,910.89 = 102,739.47 : x
  2. Step 2: Convert to fraction form
    187,614.51/258,910.89 = 102,739.47/x
  3. Step 3: Cross multiply
    187,614.51x = 258,910.89 × 102,739.47
  4. Step 4: Simplify right side
    187,614.51x = 26,600,367,615.83
  5. Step 5: Solve for x
    x = 26,600,367,615.83/187,614.51
  6. Step 6: Final answer
    x = 141,782.04

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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.