Home / 198,018.72-273,166.08-141,462.90

Finding the Fourth Proportional to 198,018.72, 273,166.08 and 141,462.90

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Solution

The fourth proportional to 198,018.72, 273,166.08 and 141,462.90 is: 195,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,018.72 : 273,166.08 = 141,462.90 : x
  2. Step 2: Convert to fraction form
    198,018.72/273,166.08 = 141,462.90/x
  3. Step 3: Cross multiply
    198,018.72x = 273,166.08 × 141,462.90
  4. Step 4: Simplify right side
    198,018.72x = 38,642,865,858.43
  5. Step 5: Solve for x
    x = 38,642,865,858.43/198,018.72
  6. Step 6: Final answer
    x = 195,147.54

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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.