Home / 179,439.40-268,640.70-109,455.40

Finding the Fourth Proportional to 179,439.40, 268,640.70 and 109,455.40

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Solution

The fourth proportional to 179,439.40, 268,640.70 and 109,455.40 is: 163,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,439.40 : 268,640.70 = 109,455.40 : x
  2. Step 2: Convert to fraction form
    179,439.40/268,640.70 = 109,455.40/x
  3. Step 3: Cross multiply
    179,439.40x = 268,640.70 × 109,455.40
  4. Step 4: Simplify right side
    179,439.40x = 29,404,175,274.78
  5. Step 5: Solve for x
    x = 29,404,175,274.78/179,439.40
  6. Step 6: Final answer
    x = 163,866.88

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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.