Home / 143,617.04-215,523.96-50,122.79

Finding the Fourth Proportional to 143,617.04, 215,523.96 and 50,122.79

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Solution

The fourth proportional to 143,617.04, 215,523.96 and 50,122.79 is: 75,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,617.04 : 215,523.96 = 50,122.79 : x
  2. Step 2: Convert to fraction form
    143,617.04/215,523.96 = 50,122.79/x
  3. Step 3: Cross multiply
    143,617.04x = 215,523.96 × 50,122.79
  4. Step 4: Simplify right side
    143,617.04x = 10,802,661,109.43
  5. Step 5: Solve for x
    x = 10,802,661,109.43/143,617.04
  6. Step 6: Final answer
    x = 75,218.52

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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.