Home / 187,040.40-258,051.72-106,447.74

Finding the Fourth Proportional to 187,040.40, 258,051.72 and 106,447.74

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Solution

The fourth proportional to 187,040.40, 258,051.72 and 106,447.74 is: 146,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,040.40 : 258,051.72 = 106,447.74 : x
  2. Step 2: Convert to fraction form
    187,040.40/258,051.72 = 106,447.74/x
  3. Step 3: Cross multiply
    187,040.40x = 258,051.72 × 106,447.74
  4. Step 4: Simplify right side
    187,040.40x = 27,469,022,397.11
  5. Step 5: Solve for x
    x = 27,469,022,397.11/187,040.40
  6. Step 6: Final answer
    x = 146,861.44

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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.