Home / 204,426.60-306,518.40-125,597.40

Finding the Fourth Proportional to 204,426.60, 306,518.40 and 125,597.40

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Solution

The fourth proportional to 204,426.60, 306,518.40 and 125,597.40 is: 188,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,426.60 : 306,518.40 = 125,597.40 : x
  2. Step 2: Convert to fraction form
    204,426.60/306,518.40 = 125,597.40/x
  3. Step 3: Cross multiply
    204,426.60x = 306,518.40 × 125,597.40
  4. Step 4: Simplify right side
    204,426.60x = 38,497,914,092.16
  5. Step 5: Solve for x
    x = 38,497,914,092.16/204,426.60
  6. Step 6: Final answer
    x = 188,321.45

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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.