Home / 102,736.28-154,116.70-43,564.26

Finding the Fourth Proportional to 102,736.28, 154,116.70 and 43,564.26

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Solution

The fourth proportional to 102,736.28, 154,116.70 and 43,564.26 is: 65,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,736.28 : 154,116.70 = 43,564.26 : x
  2. Step 2: Convert to fraction form
    102,736.28/154,116.70 = 43,564.26/x
  3. Step 3: Cross multiply
    102,736.28x = 154,116.70 × 43,564.26
  4. Step 4: Simplify right side
    102,736.28x = 6,713,979,989.14
  5. Step 5: Solve for x
    x = 6,713,979,989.14/102,736.28
  6. Step 6: Final answer
    x = 65,351.60

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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.