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Finding the Fourth Proportional to 180,771.51, 270,996.89 and 68,373.08

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Solution

The fourth proportional to 180,771.51, 270,996.89 and 68,373.08 is: 102,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,771.51 : 270,996.89 = 68,373.08 : x
  2. Step 2: Convert to fraction form
    180,771.51/270,996.89 = 68,373.08/x
  3. Step 3: Cross multiply
    180,771.51x = 270,996.89 × 68,373.08
  4. Step 4: Simplify right side
    180,771.51x = 18,528,890,342.87
  5. Step 5: Solve for x
    x = 18,528,890,342.87/180,771.51
  6. Step 6: Final answer
    x = 102,498.95

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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.