Home / 122,845.60-169,524.88-69,130.60

Finding the Fourth Proportional to 122,845.60, 169,524.88 and 69,130.60

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Solution

The fourth proportional to 122,845.60, 169,524.88 and 69,130.60 is: 95,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,845.60 : 169,524.88 = 69,130.60 : x
  2. Step 2: Convert to fraction form
    122,845.60/169,524.88 = 69,130.60/x
  3. Step 3: Cross multiply
    122,845.60x = 169,524.88 × 69,130.60
  4. Step 4: Simplify right side
    122,845.60x = 11,719,356,669.33
  5. Step 5: Solve for x
    x = 11,719,356,669.33/122,845.60
  6. Step 6: Final answer
    x = 95,399.08

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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.