Home / 154,574.20-231,861.30-75,842.20

Finding the Fourth Proportional to 154,574.20, 231,861.30 and 75,842.20

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Solution

The fourth proportional to 154,574.20, 231,861.30 and 75,842.20 is: 113,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,574.20 : 231,861.30 = 75,842.20 : x
  2. Step 2: Convert to fraction form
    154,574.20/231,861.30 = 75,842.20/x
  3. Step 3: Cross multiply
    154,574.20x = 231,861.30 × 75,842.20
  4. Step 4: Simplify right side
    154,574.20x = 17,584,871,086.86
  5. Step 5: Solve for x
    x = 17,584,871,086.86/154,574.20
  6. Step 6: Final answer
    x = 113,763.30

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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.