Home / 143,624.03-215,534.46-50,129.78

Finding the Fourth Proportional to 143,624.03, 215,534.46 and 50,129.78

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Solution

The fourth proportional to 143,624.03, 215,534.46 and 50,129.78 is: 75,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,624.03 : 215,534.46 = 50,129.78 : x
  2. Step 2: Convert to fraction form
    143,624.03/215,534.46 = 50,129.78/x
  3. Step 3: Cross multiply
    143,624.03x = 215,534.46 × 50,129.78
  4. Step 4: Simplify right side
    143,624.03x = 10,804,695,062.22
  5. Step 5: Solve for x
    x = 10,804,695,062.22/143,624.03
  6. Step 6: Final answer
    x = 75,229.02

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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.