Home / 181,004.09-249,781.82-100,429.88

Finding the Fourth Proportional to 181,004.09, 249,781.82 and 100,429.88

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Solution

The fourth proportional to 181,004.09, 249,781.82 and 100,429.88 is: 138,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,004.09 : 249,781.82 = 100,429.88 : x
  2. Step 2: Convert to fraction form
    181,004.09/249,781.82 = 100,429.88/x
  3. Step 3: Cross multiply
    181,004.09x = 249,781.82 × 100,429.88
  4. Step 4: Simplify right side
    181,004.09x = 25,085,558,331.09
  5. Step 5: Solve for x
    x = 25,085,558,331.09/181,004.09
  6. Step 6: Final answer
    x = 138,591.11

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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.