Home / 252,171.90-347,992.47-137,451.60

Finding the Fourth Proportional to 252,171.90, 347,992.47 and 137,451.60

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Solution

The fourth proportional to 252,171.90, 347,992.47 and 137,451.60 is: 189,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,171.90 : 347,992.47 = 137,451.60 : x
  2. Step 2: Convert to fraction form
    252,171.90/347,992.47 = 137,451.60/x
  3. Step 3: Cross multiply
    252,171.90x = 347,992.47 × 137,451.60
  4. Step 4: Simplify right side
    252,171.90x = 47,832,121,789.45
  5. Step 5: Solve for x
    x = 47,832,121,789.45/252,171.90
  6. Step 6: Final answer
    x = 189,680.62

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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.