Home / 181,577.80-272,366.10-55,217.20

Finding the Fourth Proportional to 181,577.80, 272,366.10 and 55,217.20

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Solution

The fourth proportional to 181,577.80, 272,366.10 and 55,217.20 is: 82,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,577.80 : 272,366.10 = 55,217.20 : x
  2. Step 2: Convert to fraction form
    181,577.80/272,366.10 = 55,217.20/x
  3. Step 3: Cross multiply
    181,577.80x = 272,366.10 × 55,217.20
  4. Step 4: Simplify right side
    181,577.80x = 15,039,293,416.92
  5. Step 5: Solve for x
    x = 15,039,293,416.92/181,577.80
  6. Step 6: Final answer
    x = 82,825.62

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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.