Home / 165,986.70-248,947.65-55,178.70

Finding the Fourth Proportional to 165,986.70, 248,947.65 and 55,178.70

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Solution

The fourth proportional to 165,986.70, 248,947.65 and 55,178.70 is: 82,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,986.70 : 248,947.65 = 55,178.70 : x
  2. Step 2: Convert to fraction form
    165,986.70/248,947.65 = 55,178.70/x
  3. Step 3: Cross multiply
    165,986.70x = 248,947.65 × 55,178.70
  4. Step 4: Simplify right side
    165,986.70x = 13,736,607,695.06
  5. Step 5: Solve for x
    x = 13,736,607,695.06/165,986.70
  6. Step 6: Final answer
    x = 82,757.28

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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.