Home / 130,736.40-180,353.43-82,906.44

Finding the Fourth Proportional to 130,736.40, 180,353.43 and 82,906.44

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Solution

The fourth proportional to 130,736.40, 180,353.43 and 82,906.44 is: 114,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,736.40 : 180,353.43 = 82,906.44 : x
  2. Step 2: Convert to fraction form
    130,736.40/180,353.43 = 82,906.44/x
  3. Step 3: Cross multiply
    130,736.40x = 180,353.43 × 82,906.44
  4. Step 4: Simplify right side
    130,736.40x = 14,952,460,823.09
  5. Step 5: Solve for x
    x = 14,952,460,823.09/130,736.40
  6. Step 6: Final answer
    x = 114,371.06

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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.