Home / 120,732.30-181,025.55-54,160.02

Finding the Fourth Proportional to 120,732.30, 181,025.55 and 54,160.02

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Solution

The fourth proportional to 120,732.30, 181,025.55 and 54,160.02 is: 81,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,732.30 : 181,025.55 = 54,160.02 : x
  2. Step 2: Convert to fraction form
    120,732.30/181,025.55 = 54,160.02/x
  3. Step 3: Cross multiply
    120,732.30x = 181,025.55 × 54,160.02
  4. Step 4: Simplify right side
    120,732.30x = 9,804,347,408.51
  5. Step 5: Solve for x
    x = 9,804,347,408.51/120,732.30
  6. Step 6: Final answer
    x = 81,207.33

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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.