Home / 165,035.20-247,513.08-76,203.32

Finding the Fourth Proportional to 165,035.20, 247,513.08 and 76,203.32

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Solution

The fourth proportional to 165,035.20, 247,513.08 and 76,203.32 is: 114,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,035.20 : 247,513.08 = 76,203.32 : x
  2. Step 2: Convert to fraction form
    165,035.20/247,513.08 = 76,203.32/x
  3. Step 3: Cross multiply
    165,035.20x = 247,513.08 × 76,203.32
  4. Step 4: Simplify right side
    165,035.20x = 18,861,318,439.43
  5. Step 5: Solve for x
    x = 18,861,318,439.43/165,035.20
  6. Step 6: Final answer
    x = 114,286.64

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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.