Home / 165,964.80-248,947.20-145,228.80

Finding the Fourth Proportional to 165,964.80, 248,947.20 and 145,228.80

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Solution

The fourth proportional to 165,964.80, 248,947.20 and 145,228.80 is: 217,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,964.80 : 248,947.20 = 145,228.80 : x
  2. Step 2: Convert to fraction form
    165,964.80/248,947.20 = 145,228.80/x
  3. Step 3: Cross multiply
    165,964.80x = 248,947.20 × 145,228.80
  4. Step 4: Simplify right side
    165,964.80x = 36,154,303,119.36
  5. Step 5: Solve for x
    x = 36,154,303,119.36/165,964.80
  6. Step 6: Final answer
    x = 217,843.20

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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.