Home / 118,021.38-177,049.66-42,114.00

Finding the Fourth Proportional to 118,021.38, 177,049.66 and 42,114.00

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Solution

The fourth proportional to 118,021.38, 177,049.66 and 42,114.00 is: 63,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,021.38 : 177,049.66 = 42,114.00 : x
  2. Step 2: Convert to fraction form
    118,021.38/177,049.66 = 42,114.00/x
  3. Step 3: Cross multiply
    118,021.38x = 177,049.66 × 42,114.00
  4. Step 4: Simplify right side
    118,021.38x = 7,456,270,117.56
  5. Step 5: Solve for x
    x = 7,456,270,117.56/118,021.38
  6. Step 6: Final answer
    x = 63,177.28

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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.