Home / 143,523.48-215,268.30-38,350.56

Finding the Fourth Proportional to 143,523.48, 215,268.30 and 38,350.56

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Solution

The fourth proportional to 143,523.48, 215,268.30 and 38,350.56 is: 57,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,523.48 : 215,268.30 = 38,350.56 : x
  2. Step 2: Convert to fraction form
    143,523.48/215,268.30 = 38,350.56/x
  3. Step 3: Cross multiply
    143,523.48x = 215,268.30 × 38,350.56
  4. Step 4: Simplify right side
    143,523.48x = 8,255,659,855.25
  5. Step 5: Solve for x
    x = 8,255,659,855.25/143,523.48
  6. Step 6: Final answer
    x = 57,521.32

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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.