Home / 179,441.40-268,643.70-109,457.40

Finding the Fourth Proportional to 179,441.40, 268,643.70 and 109,457.40

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Solution

The fourth proportional to 179,441.40, 268,643.70 and 109,457.40 is: 163,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,441.40 : 268,643.70 = 109,457.40 : x
  2. Step 2: Convert to fraction form
    179,441.40/268,643.70 = 109,457.40/x
  3. Step 3: Cross multiply
    179,441.40x = 268,643.70 × 109,457.40
  4. Step 4: Simplify right side
    179,441.40x = 29,405,040,928.38
  5. Step 5: Solve for x
    x = 29,405,040,928.38/179,441.40
  6. Step 6: Final answer
    x = 163,869.88

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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.