Home / 122,465.34-168,989.09-68,756.27

Finding the Fourth Proportional to 122,465.34, 168,989.09 and 68,756.27

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Solution

The fourth proportional to 122,465.34, 168,989.09 and 68,756.27 is: 94,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,465.34 : 168,989.09 = 68,756.27 : x
  2. Step 2: Convert to fraction form
    122,465.34/168,989.09 = 68,756.27/x
  3. Step 3: Cross multiply
    122,465.34x = 168,989.09 × 68,756.27
  4. Step 4: Simplify right side
    122,465.34x = 11,619,058,310.37
  5. Step 5: Solve for x
    x = 11,619,058,310.37/122,465.34
  6. Step 6: Final answer
    x = 94,876.30

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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.