Home / 165,004.08-247,272.84-81,956.40

Finding the Fourth Proportional to 165,004.08, 247,272.84 and 81,956.40

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Solution

The fourth proportional to 165,004.08, 247,272.84 and 81,956.40 is: 122,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,004.08 : 247,272.84 = 81,956.40 : x
  2. Step 2: Convert to fraction form
    165,004.08/247,272.84 = 81,956.40/x
  3. Step 3: Cross multiply
    165,004.08x = 247,272.84 × 81,956.40
  4. Step 4: Simplify right side
    165,004.08x = 20,265,591,784.18
  5. Step 5: Solve for x
    x = 20,265,591,784.18/165,004.08
  6. Step 6: Final answer
    x = 122,818.73

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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.