Home / 181,072.92-249,875.82-100,498.36

Finding the Fourth Proportional to 181,072.92, 249,875.82 and 100,498.36

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Solution

The fourth proportional to 181,072.92, 249,875.82 and 100,498.36 is: 138,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,072.92 : 249,875.82 = 100,498.36 : x
  2. Step 2: Convert to fraction form
    181,072.92/249,875.82 = 100,498.36/x
  3. Step 3: Cross multiply
    181,072.92x = 249,875.82 × 100,498.36
  4. Step 4: Simplify right side
    181,072.92x = 25,112,110,113.66
  5. Step 5: Solve for x
    x = 25,112,110,113.66/181,072.92
  6. Step 6: Final answer
    x = 138,685.07

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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.