Home / 231,718.16-319,777.80-131,114

Finding the Fourth Proportional to 231,718.16, 319,777.80 and 131,114

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Solution

The fourth proportional to 231,718.16, 319,777.80 and 131,114 is: 180,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,718.16 : 319,777.80 = 131,114 : x
  2. Step 2: Convert to fraction form
    231,718.16/319,777.80 = 131,114/x
  3. Step 3: Cross multiply
    231,718.16x = 319,777.80 × 131,114
  4. Step 4: Simplify right side
    231,718.16x = 41,927,346,469.20
  5. Step 5: Solve for x
    x = 41,927,346,469.20/231,718.16
  6. Step 6: Final answer
    x = 180,941.13

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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.