Home / 154,286.96-231,385.06-65,539.76

Finding the Fourth Proportional to 154,286.96, 231,385.06 and 65,539.76

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Solution

The fourth proportional to 154,286.96, 231,385.06 and 65,539.76 is: 98,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,286.96 : 231,385.06 = 65,539.76 : x
  2. Step 2: Convert to fraction form
    154,286.96/231,385.06 = 65,539.76/x
  3. Step 3: Cross multiply
    154,286.96x = 231,385.06 × 65,539.76
  4. Step 4: Simplify right side
    154,286.96x = 15,164,921,299.99
  5. Step 5: Solve for x
    x = 15,164,921,299.99/154,286.96
  6. Step 6: Final answer
    x = 98,290.36

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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.