Home / 124,419.60-186,629.40-40,179.60

Finding the Fourth Proportional to 124,419.60, 186,629.40 and 40,179.60

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Solution

The fourth proportional to 124,419.60, 186,629.40 and 40,179.60 is: 60,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,419.60 : 186,629.40 = 40,179.60 : x
  2. Step 2: Convert to fraction form
    124,419.60/186,629.40 = 40,179.60/x
  3. Step 3: Cross multiply
    124,419.60x = 186,629.40 × 40,179.60
  4. Step 4: Simplify right side
    124,419.60x = 7,498,694,640.24
  5. Step 5: Solve for x
    x = 7,498,694,640.24/124,419.60
  6. Step 6: Final answer
    x = 60,269.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.