Home / 212,834.16-293,711.04-122,195.97

Finding the Fourth Proportional to 212,834.16, 293,711.04 and 122,195.97

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Solution

The fourth proportional to 212,834.16, 293,711.04 and 122,195.97 is: 168,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,834.16 : 293,711.04 = 122,195.97 : x
  2. Step 2: Convert to fraction form
    212,834.16/293,711.04 = 122,195.97/x
  3. Step 3: Cross multiply
    212,834.16x = 293,711.04 × 122,195.97
  4. Step 4: Simplify right side
    212,834.16x = 35,890,305,432.51
  5. Step 5: Solve for x
    x = 35,890,305,432.51/212,834.16
  6. Step 6: Final answer
    x = 168,630.38

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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.