Home / 229,731.12-316,982.46-134,219.36

Finding the Fourth Proportional to 229,731.12, 316,982.46 and 134,219.36

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Solution

The fourth proportional to 229,731.12, 316,982.46 and 134,219.36 is: 185,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,731.12 : 316,982.46 = 134,219.36 : x
  2. Step 2: Convert to fraction form
    229,731.12/316,982.46 = 134,219.36/x
  3. Step 3: Cross multiply
    229,731.12x = 316,982.46 × 134,219.36
  4. Step 4: Simplify right side
    229,731.12x = 42,545,182,912.43
  5. Step 5: Solve for x
    x = 42,545,182,912.43/229,731.12
  6. Step 6: Final answer
    x = 185,195.56

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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.