Home / 110,817.12-166,127.08-40,680

Finding the Fourth Proportional to 110,817.12, 166,127.08 and 40,680

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Solution

The fourth proportional to 110,817.12, 166,127.08 and 40,680 is: 60,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,817.12 : 166,127.08 = 40,680 : x
  2. Step 2: Convert to fraction form
    110,817.12/166,127.08 = 40,680/x
  3. Step 3: Cross multiply
    110,817.12x = 166,127.08 × 40,680
  4. Step 4: Simplify right side
    110,817.12x = 6,758,049,614.40
  5. Step 5: Solve for x
    x = 6,758,049,614.40/110,817.12
  6. Step 6: Final answer
    x = 60,983.80

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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.