Home / 102,736.08-154,139.13-55,356.03

Finding the Fourth Proportional to 102,736.08, 154,139.13 and 55,356.03

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Solution

The fourth proportional to 102,736.08, 154,139.13 and 55,356.03 is: 83,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,736.08 : 154,139.13 = 55,356.03 : x
  2. Step 2: Convert to fraction form
    102,736.08/154,139.13 = 55,356.03/x
  3. Step 3: Cross multiply
    102,736.08x = 154,139.13 × 55,356.03
  4. Step 4: Simplify right side
    102,736.08x = 8,532,530,304.45
  5. Step 5: Solve for x
    x = 8,532,530,304.45/102,736.08
  6. Step 6: Final answer
    x = 83,052.91

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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.