Home / 140,408.04-210,589.38-51,639.60

Finding the Fourth Proportional to 140,408.04, 210,589.38 and 51,639.60

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Solution

The fourth proportional to 140,408.04, 210,589.38 and 51,639.60 is: 77,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,408.04 : 210,589.38 = 51,639.60 : x
  2. Step 2: Convert to fraction form
    140,408.04/210,589.38 = 51,639.60/x
  3. Step 3: Cross multiply
    140,408.04x = 210,589.38 × 51,639.60
  4. Step 4: Simplify right side
    140,408.04x = 10,874,751,347.45
  5. Step 5: Solve for x
    x = 10,874,751,347.45/140,408.04
  6. Step 6: Final answer
    x = 77,451.06

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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.