Home / 181,634.55-272,448.78-81,724.02

Finding the Fourth Proportional to 181,634.55, 272,448.78 and 81,724.02

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Solution

The fourth proportional to 181,634.55, 272,448.78 and 81,724.02 is: 122,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,634.55 : 272,448.78 = 81,724.02 : x
  2. Step 2: Convert to fraction form
    181,634.55/272,448.78 = 81,724.02/x
  3. Step 3: Cross multiply
    181,634.55x = 272,448.78 × 81,724.02
  4. Step 4: Simplify right side
    181,634.55x = 22,265,609,545.70
  5. Step 5: Solve for x
    x = 22,265,609,545.70/181,634.55
  6. Step 6: Final answer
    x = 122,584.66

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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.