Home / 143,652.88-215,480.40-50,158.72

Finding the Fourth Proportional to 143,652.88, 215,480.40 and 50,158.72

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Solution

The fourth proportional to 143,652.88, 215,480.40 and 50,158.72 is: 75,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,652.88 : 215,480.40 = 50,158.72 : x
  2. Step 2: Convert to fraction form
    143,652.88/215,480.40 = 50,158.72/x
  3. Step 3: Cross multiply
    143,652.88x = 215,480.40 × 50,158.72
  4. Step 4: Simplify right side
    143,652.88x = 10,808,221,049.09
  5. Step 5: Solve for x
    x = 10,808,221,049.09/143,652.88
  6. Step 6: Final answer
    x = 75,238.46

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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.