Home / 111,713.28-154,164.18-63,964.32

Finding the Fourth Proportional to 111,713.28, 154,164.18 and 63,964.32

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Solution

The fourth proportional to 111,713.28, 154,164.18 and 63,964.32 is: 88,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,713.28 : 154,164.18 = 63,964.32 : x
  2. Step 2: Convert to fraction form
    111,713.28/154,164.18 = 63,964.32/x
  3. Step 3: Cross multiply
    111,713.28x = 154,164.18 × 63,964.32
  4. Step 4: Simplify right side
    111,713.28x = 9,861,006,942.06
  5. Step 5: Solve for x
    x = 9,861,006,942.06/111,713.28
  6. Step 6: Final answer
    x = 88,270.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.