Home / 120,725.28-181,091.73-57,552.30

Finding the Fourth Proportional to 120,725.28, 181,091.73 and 57,552.30

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Solution

The fourth proportional to 120,725.28, 181,091.73 and 57,552.30 is: 86,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,725.28 : 181,091.73 = 57,552.30 : x
  2. Step 2: Convert to fraction form
    120,725.28/181,091.73 = 57,552.30/x
  3. Step 3: Cross multiply
    120,725.28x = 181,091.73 × 57,552.30
  4. Step 4: Simplify right side
    120,725.28x = 10,422,245,572.48
  5. Step 5: Solve for x
    x = 10,422,245,572.48/120,725.28
  6. Step 6: Final answer
    x = 86,330.27

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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.