Home / 120,527.52-166,310.49-66,812.50

Finding the Fourth Proportional to 120,527.52, 166,310.49 and 66,812.50

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Solution

The fourth proportional to 120,527.52, 166,310.49 and 66,812.50 is: 92,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,527.52 : 166,310.49 = 66,812.50 : x
  2. Step 2: Convert to fraction form
    120,527.52/166,310.49 = 66,812.50/x
  3. Step 3: Cross multiply
    120,527.52x = 166,310.49 × 66,812.50
  4. Step 4: Simplify right side
    120,527.52x = 11,111,619,613.13
  5. Step 5: Solve for x
    x = 11,111,619,613.13/120,527.52
  6. Step 6: Final answer
    x = 92,191.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.