Home / 181,562.20-271,805.70-135,021.40

Finding the Fourth Proportional to 181,562.20, 271,805.70 and 135,021.40

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Solution

The fourth proportional to 181,562.20, 271,805.70 and 135,021.40 is: 202,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,562.20 : 271,805.70 = 135,021.40 : x
  2. Step 2: Convert to fraction form
    181,562.20/271,805.70 = 135,021.40/x
  3. Step 3: Cross multiply
    181,562.20x = 271,805.70 × 135,021.40
  4. Step 4: Simplify right side
    181,562.20x = 36,699,586,141.98
  5. Step 5: Solve for x
    x = 36,699,586,141.98/181,562.20
  6. Step 6: Final answer
    x = 202,132.31

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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.