Home / 187,287.48-258,447.66-106,733.88

Finding the Fourth Proportional to 187,287.48, 258,447.66 and 106,733.88

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Solution

The fourth proportional to 187,287.48, 258,447.66 and 106,733.88 is: 147,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,287.48 : 258,447.66 = 106,733.88 : x
  2. Step 2: Convert to fraction form
    187,287.48/258,447.66 = 106,733.88/x
  3. Step 3: Cross multiply
    187,287.48x = 258,447.66 × 106,733.88
  4. Step 4: Simplify right side
    187,287.48x = 27,585,121,528.72
  5. Step 5: Solve for x
    x = 27,585,121,528.72/187,287.48
  6. Step 6: Final answer
    x = 147,287.59

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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.