Home / 210,834.39-316,404.70-82,769.14

Finding the Fourth Proportional to 210,834.39, 316,404.70 and 82,769.14

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Solution

The fourth proportional to 210,834.39, 316,404.70 and 82,769.14 is: 124,213.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,834.39 : 316,404.70 = 82,769.14 : x
  2. Step 2: Convert to fraction form
    210,834.39/316,404.70 = 82,769.14/x
  3. Step 3: Cross multiply
    210,834.39x = 316,404.70 × 82,769.14
  4. Step 4: Simplify right side
    210,834.39x = 26,188,545,099.54
  5. Step 5: Solve for x
    x = 26,188,545,099.54/210,834.39
  6. Step 6: Final answer
    x = 124,213.82

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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.