Home / 143,186.43-197,532.48-92,180.88

Finding the Fourth Proportional to 143,186.43, 197,532.48 and 92,180.88

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Solution

The fourth proportional to 143,186.43, 197,532.48 and 92,180.88 is: 127,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,186.43 : 197,532.48 = 92,180.88 : x
  2. Step 2: Convert to fraction form
    143,186.43/197,532.48 = 92,180.88/x
  3. Step 3: Cross multiply
    143,186.43x = 197,532.48 × 92,180.88
  4. Step 4: Simplify right side
    143,186.43x = 18,208,717,834.98
  5. Step 5: Solve for x
    x = 18,208,717,834.98/143,186.43
  6. Step 6: Final answer
    x = 127,167.90

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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.