Home / 146,209.38-201,769.55-79,141.38

Finding the Fourth Proportional to 146,209.38, 201,769.55 and 79,141.38

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Solution

The fourth proportional to 146,209.38, 201,769.55 and 79,141.38 is: 109,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,209.38 : 201,769.55 = 79,141.38 : x
  2. Step 2: Convert to fraction form
    146,209.38/201,769.55 = 79,141.38/x
  3. Step 3: Cross multiply
    146,209.38x = 201,769.55 × 79,141.38
  4. Step 4: Simplify right side
    146,209.38x = 15,968,320,628.98
  5. Step 5: Solve for x
    x = 15,968,320,628.98/146,209.38
  6. Step 6: Final answer
    x = 109,215.43

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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.