Home / 122,267.85-168,737.81-68,556.35

Finding the Fourth Proportional to 122,267.85, 168,737.81 and 68,556.35

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Solution

The fourth proportional to 122,267.85, 168,737.81 and 68,556.35 is: 94,612.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,267.85 : 168,737.81 = 68,556.35 : x
  2. Step 2: Convert to fraction form
    122,267.85/168,737.81 = 68,556.35/x
  3. Step 3: Cross multiply
    122,267.85x = 168,737.81 × 68,556.35
  4. Step 4: Simplify right side
    122,267.85x = 11,568,047,174.12
  5. Step 5: Solve for x
    x = 11,568,047,174.12/122,267.85
  6. Step 6: Final answer
    x = 94,612.34

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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.