Home / 103,935.64-155,964.96-43,960.72

Finding the Fourth Proportional to 103,935.64, 155,964.96 and 43,960.72

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Solution

The fourth proportional to 103,935.64, 155,964.96 and 43,960.72 is: 65,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,935.64 : 155,964.96 = 43,960.72 : x
  2. Step 2: Convert to fraction form
    103,935.64/155,964.96 = 43,960.72/x
  3. Step 3: Cross multiply
    103,935.64x = 155,964.96 × 43,960.72
  4. Step 4: Simplify right side
    103,935.64x = 6,856,331,936.37
  5. Step 5: Solve for x
    x = 6,856,331,936.37/103,935.64
  6. Step 6: Final answer
    x = 65,967.09

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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.