Home / 231,795.72-319,856.58-131,193.72

Finding the Fourth Proportional to 231,795.72, 319,856.58 and 131,193.72

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Solution

The fourth proportional to 231,795.72, 319,856.58 and 131,193.72 is: 181,035.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,795.72 : 319,856.58 = 131,193.72 : x
  2. Step 2: Convert to fraction form
    231,795.72/319,856.58 = 131,193.72/x
  3. Step 3: Cross multiply
    231,795.72x = 319,856.58 × 131,193.72
  4. Step 4: Simplify right side
    231,795.72x = 41,963,174,596.68
  5. Step 5: Solve for x
    x = 41,963,174,596.68/231,795.72
  6. Step 6: Final answer
    x = 181,035.16

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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.