Home / 187,653.16-258,959.46-102,769.84

Finding the Fourth Proportional to 187,653.16, 258,959.46 and 102,769.84

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Solution

The fourth proportional to 187,653.16, 258,959.46 and 102,769.84 is: 141,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,653.16 : 258,959.46 = 102,769.84 : x
  2. Step 2: Convert to fraction form
    187,653.16/258,959.46 = 102,769.84/x
  3. Step 3: Cross multiply
    187,653.16x = 258,959.46 × 102,769.84
  4. Step 4: Simplify right side
    187,653.16x = 26,613,222,270.69
  5. Step 5: Solve for x
    x = 26,613,222,270.69/187,653.16
  6. Step 6: Final answer
    x = 141,821.34

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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.