Home / 146,175.34-201,721.97-79,107.34

Finding the Fourth Proportional to 146,175.34, 201,721.97 and 79,107.34

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Solution

The fourth proportional to 146,175.34, 201,721.97 and 79,107.34 is: 109,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,175.34 : 201,721.97 = 79,107.34 : x
  2. Step 2: Convert to fraction form
    146,175.34/201,721.97 = 79,107.34/x
  3. Step 3: Cross multiply
    146,175.34x = 201,721.97 × 79,107.34
  4. Step 4: Simplify right side
    146,175.34x = 15,957,687,457.65
  5. Step 5: Solve for x
    x = 15,957,687,457.65/146,175.34
  6. Step 6: Final answer
    x = 109,168.13

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1.5x scale

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.