Home / 87,154.44-120,233.18-51,327.30

Finding the Fourth Proportional to 87,154.44, 120,233.18 and 51,327.30

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Solution

The fourth proportional to 87,154.44, 120,233.18 and 51,327.30 is: 70,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,154.44 : 120,233.18 = 51,327.30 : x
  2. Step 2: Convert to fraction form
    87,154.44/120,233.18 = 51,327.30/x
  3. Step 3: Cross multiply
    87,154.44x = 120,233.18 × 51,327.30
  4. Step 4: Simplify right side
    87,154.44x = 6,171,244,499.81
  5. Step 5: Solve for x
    x = 6,171,244,499.81/87,154.44
  6. Step 6: Final answer
    x = 70,808.15

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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.