Home / 120,889.92-181,150.14-50,730.96

Finding the Fourth Proportional to 120,889.92, 181,150.14 and 50,730.96

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Solution

The fourth proportional to 120,889.92, 181,150.14 and 50,730.96 is: 76,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,889.92 : 181,150.14 = 50,730.96 : x
  2. Step 2: Convert to fraction form
    120,889.92/181,150.14 = 50,730.96/x
  3. Step 3: Cross multiply
    120,889.92x = 181,150.14 × 50,730.96
  4. Step 4: Simplify right side
    120,889.92x = 9,189,920,506.33
  5. Step 5: Solve for x
    x = 9,189,920,506.33/120,889.92
  6. Step 6: Final answer
    x = 76,018.91

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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.