Home / 252,014.04-378,027.54-72,126

Finding the Fourth Proportional to 252,014.04, 378,027.54 and 72,126

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Solution

The fourth proportional to 252,014.04, 378,027.54 and 72,126 is: 108,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,014.04 : 378,027.54 = 72,126 : x
  2. Step 2: Convert to fraction form
    252,014.04/378,027.54 = 72,126/x
  3. Step 3: Cross multiply
    252,014.04x = 378,027.54 × 72,126
  4. Step 4: Simplify right side
    252,014.04x = 27,265,614,350.04
  5. Step 5: Solve for x
    x = 27,265,614,350.04/252,014.04
  6. Step 6: Final answer
    x = 108,190.85

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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.