Home / 154,353.79-231,231.07-113,753.58

Finding the Fourth Proportional to 154,353.79, 231,231.07 and 113,753.58

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Solution

The fourth proportional to 154,353.79, 231,231.07 and 113,753.58 is: 170,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,353.79 : 231,231.07 = 113,753.58 : x
  2. Step 2: Convert to fraction form
    154,353.79/231,231.07 = 113,753.58/x
  3. Step 3: Cross multiply
    154,353.79x = 231,231.07 × 113,753.58
  4. Step 4: Simplify right side
    154,353.79x = 26,303,362,019.73
  5. Step 5: Solve for x
    x = 26,303,362,019.73/154,353.79
  6. Step 6: Final answer
    x = 170,409.56

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1.5x scale

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.