Home / 181,538.21-272,058.19-114,858.97

Finding the Fourth Proportional to 181,538.21, 272,058.19 and 114,858.97

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Solution

The fourth proportional to 181,538.21, 272,058.19 and 114,858.97 is: 172,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,538.21 : 272,058.19 = 114,858.97 : x
  2. Step 2: Convert to fraction form
    181,538.21/272,058.19 = 114,858.97/x
  3. Step 3: Cross multiply
    181,538.21x = 272,058.19 × 114,858.97
  4. Step 4: Simplify right side
    181,538.21x = 31,248,322,123.17
  5. Step 5: Solve for x
    x = 31,248,322,123.17/181,538.21
  6. Step 6: Final answer
    x = 172,130.83

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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.