Home / 122,735.74-169,374.24-69,019.60

Finding the Fourth Proportional to 122,735.74, 169,374.24 and 69,019.60

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Solution

The fourth proportional to 122,735.74, 169,374.24 and 69,019.60 is: 95,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,735.74 : 169,374.24 = 69,019.60 : x
  2. Step 2: Convert to fraction form
    122,735.74/169,374.24 = 69,019.60/x
  3. Step 3: Cross multiply
    122,735.74x = 169,374.24 × 69,019.60
  4. Step 4: Simplify right side
    122,735.74x = 11,690,142,295.10
  5. Step 5: Solve for x
    x = 11,690,142,295.10/122,735.74
  6. Step 6: Final answer
    x = 95,246.44

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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.