Home / 131,714.96-181,765.24-71,284.28

Finding the Fourth Proportional to 131,714.96, 181,765.24 and 71,284.28

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Solution

The fourth proportional to 131,714.96, 181,765.24 and 71,284.28 is: 98,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,714.96 : 181,765.24 = 71,284.28 : x
  2. Step 2: Convert to fraction form
    131,714.96/181,765.24 = 71,284.28/x
  3. Step 3: Cross multiply
    131,714.96x = 181,765.24 × 71,284.28
  4. Step 4: Simplify right side
    131,714.96x = 12,957,004,262.43
  5. Step 5: Solve for x
    x = 12,957,004,262.43/131,714.96
  6. Step 6: Final answer
    x = 98,371.55

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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.