Home / 181,086.39-249,887.10-109,505.88

Finding the Fourth Proportional to 181,086.39, 249,887.10 and 109,505.88

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Solution

The fourth proportional to 181,086.39, 249,887.10 and 109,505.88 is: 151,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,086.39 : 249,887.10 = 109,505.88 : x
  2. Step 2: Convert to fraction form
    181,086.39/249,887.10 = 109,505.88/x
  3. Step 3: Cross multiply
    181,086.39x = 249,887.10 × 109,505.88
  4. Step 4: Simplify right side
    181,086.39x = 27,364,106,786.15
  5. Step 5: Solve for x
    x = 27,364,106,786.15/181,086.39
  6. Step 6: Final answer
    x = 151,110.79

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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.