Home / 187,435.52-258,635.52-111,968

Finding the Fourth Proportional to 187,435.52, 258,635.52 and 111,968

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Solution

The fourth proportional to 187,435.52, 258,635.52 and 111,968 is: 154,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,435.52 : 258,635.52 = 111,968 : x
  2. Step 2: Convert to fraction form
    187,435.52/258,635.52 = 111,968/x
  3. Step 3: Cross multiply
    187,435.52x = 258,635.52 × 111,968
  4. Step 4: Simplify right side
    187,435.52x = 28,958,901,903.36
  5. Step 5: Solve for x
    x = 28,958,901,903.36/187,435.52
  6. Step 6: Final answer
    x = 154,500.61

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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.