Home / 165,986.20-248,946.90-55,178.20

Finding the Fourth Proportional to 165,986.20, 248,946.90 and 55,178.20

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Solution

The fourth proportional to 165,986.20, 248,946.90 and 55,178.20 is: 82,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,986.20 : 248,946.90 = 55,178.20 : x
  2. Step 2: Convert to fraction form
    165,986.20/248,946.90 = 55,178.20/x
  3. Step 3: Cross multiply
    165,986.20x = 248,946.90 × 55,178.20
  4. Step 4: Simplify right side
    165,986.20x = 13,736,441,837.58
  5. Step 5: Solve for x
    x = 13,736,441,837.58/165,986.20
  6. Step 6: Final answer
    x = 82,756.53

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1.5x scale

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.