Home / 187,072.62-258,165.27-111,664.86

Finding the Fourth Proportional to 187,072.62, 258,165.27 and 111,664.86

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Solution

The fourth proportional to 187,072.62, 258,165.27 and 111,664.86 is: 154,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,072.62 : 258,165.27 = 111,664.86 : x
  2. Step 2: Convert to fraction form
    187,072.62/258,165.27 = 111,664.86/x
  3. Step 3: Cross multiply
    187,072.62x = 258,165.27 × 111,664.86
  4. Step 4: Simplify right side
    187,072.62x = 28,827,988,731.41
  5. Step 5: Solve for x
    x = 28,827,988,731.41/187,072.62
  6. Step 6: Final answer
    x = 154,100.52

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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.