Home / 109,318.70-164,016.45-39,200.30

Finding the Fourth Proportional to 109,318.70, 164,016.45 and 39,200.30

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Solution

The fourth proportional to 109,318.70, 164,016.45 and 39,200.30 is: 58,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,318.70 : 164,016.45 = 39,200.30 : x
  2. Step 2: Convert to fraction form
    109,318.70/164,016.45 = 39,200.30/x
  3. Step 3: Cross multiply
    109,318.70x = 164,016.45 × 39,200.30
  4. Step 4: Simplify right side
    109,318.70x = 6,429,494,044.94
  5. Step 5: Solve for x
    x = 6,429,494,044.94/109,318.70
  6. Step 6: Final answer
    x = 58,814.22

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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.