Home / 148,539.61-222,674.55-54,979.75

Finding the Fourth Proportional to 148,539.61, 222,674.55 and 54,979.75

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Solution

The fourth proportional to 148,539.61, 222,674.55 and 54,979.75 is: 82,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,539.61 : 222,674.55 = 54,979.75 : x
  2. Step 2: Convert to fraction form
    148,539.61/222,674.55 = 54,979.75/x
  3. Step 3: Cross multiply
    148,539.61x = 222,674.55 × 54,979.75
  4. Step 4: Simplify right side
    148,539.61x = 12,242,591,090.36
  5. Step 5: Solve for x
    x = 12,242,591,090.36/148,539.61
  6. Step 6: Final answer
    x = 82,419.71

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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.