Home / 117,946.80-176,912.10-37,983.60

Finding the Fourth Proportional to 117,946.80, 176,912.10 and 37,983.60

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Solution

The fourth proportional to 117,946.80, 176,912.10 and 37,983.60 is: 56,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,946.80 : 176,912.10 = 37,983.60 : x
  2. Step 2: Convert to fraction form
    117,946.80/176,912.10 = 37,983.60/x
  3. Step 3: Cross multiply
    117,946.80x = 176,912.10 × 37,983.60
  4. Step 4: Simplify right side
    117,946.80x = 6,719,758,441.56
  5. Step 5: Solve for x
    x = 6,719,758,441.56/117,946.80
  6. Step 6: Final answer
    x = 56,972.79

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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.