Home / 111,738.82-154,177.51-62,682.07

Finding the Fourth Proportional to 111,738.82, 154,177.51 and 62,682.07

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Solution

The fourth proportional to 111,738.82, 154,177.51 and 62,682.07 is: 86,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,738.82 : 154,177.51 = 62,682.07 : x
  2. Step 2: Convert to fraction form
    111,738.82/154,177.51 = 62,682.07/x
  3. Step 3: Cross multiply
    111,738.82x = 154,177.51 × 62,682.07
  4. Step 4: Simplify right side
    111,738.82x = 9,664,164,389.95
  5. Step 5: Solve for x
    x = 9,664,164,389.95/111,738.82
  6. Step 6: Final answer
    x = 86,488.87

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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.