Home / 181,530.26-272,309.74-55,181.50

Finding the Fourth Proportional to 181,530.26, 272,309.74 and 55,181.50

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Solution

The fourth proportional to 181,530.26, 272,309.74 and 55,181.50 is: 82,776.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,530.26 : 272,309.74 = 55,181.50 : x
  2. Step 2: Convert to fraction form
    181,530.26/272,309.74 = 55,181.50/x
  3. Step 3: Cross multiply
    181,530.26x = 272,309.74 × 55,181.50
  4. Step 4: Simplify right side
    181,530.26x = 15,026,459,917.81
  5. Step 5: Solve for x
    x = 15,026,459,917.81/181,530.26
  6. Step 6: Final answer
    x = 82,776.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.