Home / 154,300.20-231,350.40-65,529.60

Finding the Fourth Proportional to 154,300.20, 231,350.40 and 65,529.60

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Solution

The fourth proportional to 154,300.20, 231,350.40 and 65,529.60 is: 98,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,300.20 : 231,350.40 = 65,529.60 : x
  2. Step 2: Convert to fraction form
    154,300.20/231,350.40 = 65,529.60/x
  3. Step 3: Cross multiply
    154,300.20x = 231,350.40 × 65,529.60
  4. Step 4: Simplify right side
    154,300.20x = 15,160,299,171.84
  5. Step 5: Solve for x
    x = 15,160,299,171.84/154,300.20
  6. Step 6: Final answer
    x = 98,251.97

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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.