Home / 227,203.32-313,541.88-131,766.72

Finding the Fourth Proportional to 227,203.32, 313,541.88 and 131,766.72

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Solution

The fourth proportional to 227,203.32, 313,541.88 and 131,766.72 is: 181,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,203.32 : 313,541.88 = 131,766.72 : x
  2. Step 2: Convert to fraction form
    227,203.32/313,541.88 = 131,766.72/x
  3. Step 3: Cross multiply
    227,203.32x = 313,541.88 × 131,766.72
  4. Step 4: Simplify right side
    227,203.32x = 41,314,385,110.23
  5. Step 5: Solve for x
    x = 41,314,385,110.23/227,203.32
  6. Step 6: Final answer
    x = 181,838.83

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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.