Home / 165,911.60-248,867.40-55,103.60

Finding the Fourth Proportional to 165,911.60, 248,867.40 and 55,103.60

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Solution

The fourth proportional to 165,911.60, 248,867.40 and 55,103.60 is: 82,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,911.60 : 248,867.40 = 55,103.60 : x
  2. Step 2: Convert to fraction form
    165,911.60/248,867.40 = 55,103.60/x
  3. Step 3: Cross multiply
    165,911.60x = 248,867.40 × 55,103.60
  4. Step 4: Simplify right side
    165,911.60x = 13,713,489,662.64
  5. Step 5: Solve for x
    x = 13,713,489,662.64/165,911.60
  6. Step 6: Final answer
    x = 82,655.40

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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.