Home / 187,310.30-258,492.72-106,736.10

Finding the Fourth Proportional to 187,310.30, 258,492.72 and 106,736.10

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Solution

The fourth proportional to 187,310.30, 258,492.72 and 106,736.10 is: 147,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,310.30 : 258,492.72 = 106,736.10 : x
  2. Step 2: Convert to fraction form
    187,310.30/258,492.72 = 106,736.10/x
  3. Step 3: Cross multiply
    187,310.30x = 258,492.72 × 106,736.10
  4. Step 4: Simplify right side
    187,310.30x = 27,590,504,811.19
  5. Step 5: Solve for x
    x = 27,590,504,811.19/187,310.30
  6. Step 6: Final answer
    x = 147,298.39

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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.