Home / 187,321.84-258,527.81-122,845.33

Finding the Fourth Proportional to 187,321.84, 258,527.81 and 122,845.33

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Solution

The fourth proportional to 187,321.84, 258,527.81 and 122,845.33 is: 169,542.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,321.84 : 258,527.81 = 122,845.33 : x
  2. Step 2: Convert to fraction form
    187,321.84/258,527.81 = 122,845.33/x
  3. Step 3: Cross multiply
    187,321.84x = 258,527.81 × 122,845.33
  4. Step 4: Simplify right side
    187,321.84x = 31,758,934,133.63
  5. Step 5: Solve for x
    x = 31,758,934,133.63/187,321.84
  6. Step 6: Final answer
    x = 169,542.08

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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.