Home / 103,634.24-155,276.40-82,814

Finding the Fourth Proportional to 103,634.24, 155,276.40 and 82,814

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Solution

The fourth proportional to 103,634.24, 155,276.40 and 82,814 is: 124,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.24 : 155,276.40 = 82,814 : x
  2. Step 2: Convert to fraction form
    103,634.24/155,276.40 = 82,814/x
  3. Step 3: Cross multiply
    103,634.24x = 155,276.40 × 82,814
  4. Step 4: Simplify right side
    103,634.24x = 12,859,059,789.60
  5. Step 5: Solve for x
    x = 12,859,059,789.60/103,634.24
  6. Step 6: Final answer
    x = 124,081.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.