Home / 231,785.26-319,827.12-135,005.04

Finding the Fourth Proportional to 231,785.26, 319,827.12 and 135,005.04

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Solution

The fourth proportional to 231,785.26, 319,827.12 and 135,005.04 is: 186,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,785.26 : 319,827.12 = 135,005.04 : x
  2. Step 2: Convert to fraction form
    231,785.26/319,827.12 = 135,005.04/x
  3. Step 3: Cross multiply
    231,785.26x = 319,827.12 × 135,005.04
  4. Step 4: Simplify right side
    231,785.26x = 43,178,273,128.68
  5. Step 5: Solve for x
    x = 43,178,273,128.68/231,785.26
  6. Step 6: Final answer
    x = 186,285.67

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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.