Home / 122,868.35-169,563.78-69,156.84

Finding the Fourth Proportional to 122,868.35, 169,563.78 and 69,156.84

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Solution

The fourth proportional to 122,868.35, 169,563.78 and 69,156.84 is: 95,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,868.35 : 169,563.78 = 69,156.84 : x
  2. Step 2: Convert to fraction form
    122,868.35/169,563.78 = 69,156.84/x
  3. Step 3: Cross multiply
    122,868.35x = 169,563.78 × 69,156.84
  4. Step 4: Simplify right side
    122,868.35x = 11,726,495,203.26
  5. Step 5: Solve for x
    x = 11,726,495,203.26/122,868.35
  6. Step 6: Final answer
    x = 95,439.51

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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.