Home / 187,392.07-258,425.80-149,278.33

Finding the Fourth Proportional to 187,392.07, 258,425.80 and 149,278.33

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Solution

The fourth proportional to 187,392.07, 258,425.80 and 149,278.33 is: 205,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,392.07 : 258,425.80 = 149,278.33 : x
  2. Step 2: Convert to fraction form
    187,392.07/258,425.80 = 149,278.33/x
  3. Step 3: Cross multiply
    187,392.07x = 258,425.80 × 149,278.33
  4. Step 4: Simplify right side
    187,392.07x = 38,577,371,852.91
  5. Step 5: Solve for x
    x = 38,577,371,852.91/187,392.07
  6. Step 6: Final answer
    x = 205,864.48

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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.