Home / 181,929.09-271,614.45-139,009.90

Finding the Fourth Proportional to 181,929.09, 271,614.45 and 139,009.90

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Solution

The fourth proportional to 181,929.09, 271,614.45 and 139,009.90 is: 207,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,929.09 : 271,614.45 = 139,009.90 : x
  2. Step 2: Convert to fraction form
    181,929.09/271,614.45 = 139,009.90/x
  3. Step 3: Cross multiply
    181,929.09x = 271,614.45 × 139,009.90
  4. Step 4: Simplify right side
    181,929.09x = 37,757,095,479.93
  5. Step 5: Solve for x
    x = 37,757,095,479.93/181,929.09
  6. Step 6: Final answer
    x = 207,537.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.