Home / 120,964.80-181,231.20-58,497.60

Finding the Fourth Proportional to 120,964.80, 181,231.20 and 58,497.60

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Solution

The fourth proportional to 120,964.80, 181,231.20 and 58,497.60 is: 87,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964.80 : 181,231.20 = 58,497.60 : x
  2. Step 2: Convert to fraction form
    120,964.80/181,231.20 = 58,497.60/x
  3. Step 3: Cross multiply
    120,964.80x = 181,231.20 × 58,497.60
  4. Step 4: Simplify right side
    120,964.80x = 10,601,590,245.12
  5. Step 5: Solve for x
    x = 10,601,590,245.12/120,964.80
  6. Step 6: Final answer
    x = 87,641.94

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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.