Home / 181,720.33-272,297.10-115,019.56

Finding the Fourth Proportional to 181,720.33, 272,297.10 and 115,019.56

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Solution

The fourth proportional to 181,720.33, 272,297.10 and 115,019.56 is: 172,349.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,720.33 : 272,297.10 = 115,019.56 : x
  2. Step 2: Convert to fraction form
    181,720.33/272,297.10 = 115,019.56/x
  3. Step 3: Cross multiply
    181,720.33x = 272,297.10 × 115,019.56
  4. Step 4: Simplify right side
    181,720.33x = 31,319,492,631.28
  5. Step 5: Solve for x
    x = 31,319,492,631.28/181,720.33
  6. Step 6: Final answer
    x = 172,349.97

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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.