Home / 181,067.19-249,865.32-100,498.11

Finding the Fourth Proportional to 181,067.19, 249,865.32 and 100,498.11

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Solution

The fourth proportional to 181,067.19, 249,865.32 and 100,498.11 is: 138,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,067.19 : 249,865.32 = 100,498.11 : x
  2. Step 2: Convert to fraction form
    181,067.19/249,865.32 = 100,498.11/x
  3. Step 3: Cross multiply
    181,067.19x = 249,865.32 × 100,498.11
  4. Step 4: Simplify right side
    181,067.19x = 25,110,992,414.55
  5. Step 5: Solve for x
    x = 25,110,992,414.55/181,067.19
  6. Step 6: Final answer
    x = 138,683.28

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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.