Home / 122,117.29-168,516.97-68,399.57

Finding the Fourth Proportional to 122,117.29, 168,516.97 and 68,399.57

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Solution

The fourth proportional to 122,117.29, 168,516.97 and 68,399.57 is: 94,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,117.29 : 168,516.97 = 68,399.57 : x
  2. Step 2: Convert to fraction form
    122,117.29/168,516.97 = 68,399.57/x
  3. Step 3: Cross multiply
    122,117.29x = 168,516.97 × 68,399.57
  4. Step 4: Simplify right side
    122,117.29x = 11,526,488,536.00
  5. Step 5: Solve for x
    x = 11,526,488,536.00/122,117.29
  6. Step 6: Final answer
    x = 94,388.67

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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.