Home / 181,760.20-272,677.21-76,579.17

Finding the Fourth Proportional to 181,760.20, 272,677.21 and 76,579.17

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Solution

The fourth proportional to 181,760.20, 272,677.21 and 76,579.17 is: 114,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,760.20 : 272,677.21 = 76,579.17 : x
  2. Step 2: Convert to fraction form
    181,760.20/272,677.21 = 76,579.17/x
  3. Step 3: Cross multiply
    181,760.20x = 272,677.21 × 76,579.17
  4. Step 4: Simplify right side
    181,760.20x = 20,881,394,954.92
  5. Step 5: Solve for x
    x = 20,881,394,954.92/181,760.20
  6. Step 6: Final answer
    x = 114,884.31

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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.