Home / 181,979.46-251,132.64-105,543.84

Finding the Fourth Proportional to 181,979.46, 251,132.64 and 105,543.84

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Solution

The fourth proportional to 181,979.46, 251,132.64 and 105,543.84 is: 145,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,979.46 : 251,132.64 = 105,543.84 : x
  2. Step 2: Convert to fraction form
    181,979.46/251,132.64 = 105,543.84/x
  3. Step 3: Cross multiply
    181,979.46x = 251,132.64 × 105,543.84
  4. Step 4: Simplify right side
    181,979.46x = 26,505,503,720.90
  5. Step 5: Solve for x
    x = 26,505,503,720.90/181,979.46
  6. Step 6: Final answer
    x = 145,651.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.