Home / 117,760.82-162,177.92-117,391.72

Finding the Fourth Proportional to 117,760.82, 162,177.92 and 117,391.72

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Solution

The fourth proportional to 117,760.82, 162,177.92 and 117,391.72 is: 161,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,760.82 : 162,177.92 = 117,391.72 : x
  2. Step 2: Convert to fraction form
    117,760.82/162,177.92 = 117,391.72/x
  3. Step 3: Cross multiply
    117,760.82x = 162,177.92 × 117,391.72
  4. Step 4: Simplify right side
    117,760.82x = 19,038,344,974.82
  5. Step 5: Solve for x
    x = 19,038,344,974.82/117,760.82
  6. Step 6: Final answer
    x = 161,669.60

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1.5x scale

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.