Home / 115,904.85-159,930.41-67,514.73

Finding the Fourth Proportional to 115,904.85, 159,930.41 and 67,514.73

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Solution

The fourth proportional to 115,904.85, 159,930.41 and 67,514.73 is: 93,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,904.85 : 159,930.41 = 67,514.73 : x
  2. Step 2: Convert to fraction form
    115,904.85/159,930.41 = 67,514.73/x
  3. Step 3: Cross multiply
    115,904.85x = 159,930.41 × 67,514.73
  4. Step 4: Simplify right side
    115,904.85x = 10,797,658,112.37
  5. Step 5: Solve for x
    x = 10,797,658,112.37/115,904.85
  6. Step 6: Final answer
    x = 93,159.67

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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.