Home / 124,766.20-186,857.70-122,260.60

Finding the Fourth Proportional to 124,766.20, 186,857.70 and 122,260.60

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Solution

The fourth proportional to 124,766.20, 186,857.70 and 122,260.60 is: 183,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,766.20 : 186,857.70 = 122,260.60 : x
  2. Step 2: Convert to fraction form
    124,766.20/186,857.70 = 122,260.60/x
  3. Step 3: Cross multiply
    124,766.20x = 186,857.70 × 122,260.60
  4. Step 4: Simplify right side
    124,766.20x = 22,845,334,516.62
  5. Step 5: Solve for x
    x = 22,845,334,516.62/124,766.20
  6. Step 6: Final answer
    x = 183,105.16

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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.