Home / 154,313.68-231,489.02-54,453.24

Finding the Fourth Proportional to 154,313.68, 231,489.02 and 54,453.24

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Solution

The fourth proportional to 154,313.68, 231,489.02 and 54,453.24 is: 81,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,313.68 : 231,489.02 = 54,453.24 : x
  2. Step 2: Convert to fraction form
    154,313.68/231,489.02 = 54,453.24/x
  3. Step 3: Cross multiply
    154,313.68x = 231,489.02 × 54,453.24
  4. Step 4: Simplify right side
    154,313.68x = 12,605,327,163.42
  5. Step 5: Solve for x
    x = 12,605,327,163.42/154,313.68
  6. Step 6: Final answer
    x = 81,686.39

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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.