Home / 143,631.37-215,545.44-50,137.12

Finding the Fourth Proportional to 143,631.37, 215,545.44 and 50,137.12

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Solution

The fourth proportional to 143,631.37, 215,545.44 and 50,137.12 is: 75,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,631.37 : 215,545.44 = 50,137.12 : x
  2. Step 2: Convert to fraction form
    143,631.37/215,545.44 = 50,137.12/x
  3. Step 3: Cross multiply
    143,631.37x = 215,545.44 × 50,137.12
  4. Step 4: Simplify right side
    143,631.37x = 10,806,827,590.73
  5. Step 5: Solve for x
    x = 10,806,827,590.73/143,631.37
  6. Step 6: Final answer
    x = 75,240.02

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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.