Home / 181,172.70-249,992.33-100,601.19

Finding the Fourth Proportional to 181,172.70, 249,992.33 and 100,601.19

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Solution

The fourth proportional to 181,172.70, 249,992.33 and 100,601.19 is: 138,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,172.70 : 249,992.33 = 100,601.19 : x
  2. Step 2: Convert to fraction form
    181,172.70/249,992.33 = 100,601.19/x
  3. Step 3: Cross multiply
    181,172.70x = 249,992.33 × 100,601.19
  4. Step 4: Simplify right side
    181,172.70x = 25,149,525,385.87
  5. Step 5: Solve for x
    x = 25,149,525,385.87/181,172.70
  6. Step 6: Final answer
    x = 138,815.20

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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.