Home / 181,751.13-272,536.16-115,140.60

Finding the Fourth Proportional to 181,751.13, 272,536.16 and 115,140.60

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Solution

The fourth proportional to 181,751.13, 272,536.16 and 115,140.60 is: 172,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,751.13 : 272,536.16 = 115,140.60 : x
  2. Step 2: Convert to fraction form
    181,751.13/272,536.16 = 115,140.60/x
  3. Step 3: Cross multiply
    181,751.13x = 272,536.16 × 115,140.60
  4. Step 4: Simplify right side
    181,751.13x = 31,379,976,408.39
  5. Step 5: Solve for x
    x = 31,379,976,408.39/181,751.13
  6. Step 6: Final answer
    x = 172,653.54

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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.