Home / 140,189.80-210,287.68-50,238.38

Finding the Fourth Proportional to 140,189.80, 210,287.68 and 50,238.38

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Solution

The fourth proportional to 140,189.80, 210,287.68 and 50,238.38 is: 75,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,189.80 : 210,287.68 = 50,238.38 : x
  2. Step 2: Convert to fraction form
    140,189.80/210,287.68 = 50,238.38/x
  3. Step 3: Cross multiply
    140,189.80x = 210,287.68 × 50,238.38
  4. Step 4: Simplify right side
    140,189.80x = 10,564,512,377.16
  5. Step 5: Solve for x
    x = 10,564,512,377.16/140,189.80
  6. Step 6: Final answer
    x = 75,358.64

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1.5x scale

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.