Home / 187,739.54-259,080.53-112,305.86

Finding the Fourth Proportional to 187,739.54, 259,080.53 and 112,305.86

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Solution

The fourth proportional to 187,739.54, 259,080.53 and 112,305.86 is: 154,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,739.54 : 259,080.53 = 112,305.86 : x
  2. Step 2: Convert to fraction form
    187,739.54/259,080.53 = 112,305.86/x
  3. Step 3: Cross multiply
    187,739.54x = 259,080.53 × 112,305.86
  4. Step 4: Simplify right side
    187,739.54x = 29,096,261,730.91
  5. Step 5: Solve for x
    x = 29,096,261,730.91/187,739.54
  6. Step 6: Final answer
    x = 154,982.07

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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.