Home / 120,801.36-181,262.24-54,289.04

Finding the Fourth Proportional to 120,801.36, 181,262.24 and 54,289.04

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Solution

The fourth proportional to 120,801.36, 181,262.24 and 54,289.04 is: 81,460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,801.36 : 181,262.24 = 54,289.04 : x
  2. Step 2: Convert to fraction form
    120,801.36/181,262.24 = 54,289.04/x
  3. Step 3: Cross multiply
    120,801.36x = 181,262.24 × 54,289.04
  4. Step 4: Simplify right side
    120,801.36x = 9,840,552,997.85
  5. Step 5: Solve for x
    x = 9,840,552,997.85/120,801.36
  6. Step 6: Final answer
    x = 81,460.61

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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.