Home / 252,311.48-348,173.90-139,135.16

Finding the Fourth Proportional to 252,311.48, 348,173.90 and 139,135.16

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Solution

The fourth proportional to 252,311.48, 348,173.90 and 139,135.16 is: 191,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,311.48 : 348,173.90 = 139,135.16 : x
  2. Step 2: Convert to fraction form
    252,311.48/348,173.90 = 139,135.16/x
  3. Step 3: Cross multiply
    252,311.48x = 348,173.90 × 139,135.16
  4. Step 4: Simplify right side
    252,311.48x = 48,443,231,284.32
  5. Step 5: Solve for x
    x = 48,443,231,284.32/252,311.48
  6. Step 6: Final answer
    x = 191,997.73

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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.