Home / 172,110.33-257,791.65-83,177.34

Finding the Fourth Proportional to 172,110.33, 257,791.65 and 83,177.34

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Solution

The fourth proportional to 172,110.33, 257,791.65 and 83,177.34 is: 124,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,110.33 : 257,791.65 = 83,177.34 : x
  2. Step 2: Convert to fraction form
    172,110.33/257,791.65 = 83,177.34/x
  3. Step 3: Cross multiply
    172,110.33x = 257,791.65 × 83,177.34
  4. Step 4: Simplify right side
    172,110.33x = 21,442,423,721.21
  5. Step 5: Solve for x
    x = 21,442,423,721.21/172,110.33
  6. Step 6: Final answer
    x = 124,585.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.