Home / 231,493.10-319,458.75-130,894.70

Finding the Fourth Proportional to 231,493.10, 319,458.75 and 130,894.70

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Solution

The fourth proportional to 231,493.10, 319,458.75 and 130,894.70 is: 180,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,493.10 : 319,458.75 = 130,894.70 : x
  2. Step 2: Convert to fraction form
    231,493.10/319,458.75 = 130,894.70/x
  3. Step 3: Cross multiply
    231,493.10x = 319,458.75 × 130,894.70
  4. Step 4: Simplify right side
    231,493.10x = 41,815,457,243.63
  5. Step 5: Solve for x
    x = 41,815,457,243.63/231,493.10
  6. Step 6: Final answer
    x = 180,633.71

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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.