Home / 252,431.40-348,331.12-139,246.86

Finding the Fourth Proportional to 252,431.40, 348,331.12 and 139,246.86

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Solution

The fourth proportional to 252,431.40, 348,331.12 and 139,246.86 is: 192,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,431.40 : 348,331.12 = 139,246.86 : x
  2. Step 2: Convert to fraction form
    252,431.40/348,331.12 = 139,246.86/x
  3. Step 3: Cross multiply
    252,431.40x = 348,331.12 × 139,246.86
  4. Step 4: Simplify right side
    252,431.40x = 48,504,015,658.41
  5. Step 5: Solve for x
    x = 48,504,015,658.41/252,431.40
  6. Step 6: Final answer
    x = 192,147.31

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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.