Home / 181,726.74-272,499.80-115,116.39

Finding the Fourth Proportional to 181,726.74, 272,499.80 and 115,116.39

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Solution

The fourth proportional to 181,726.74, 272,499.80 and 115,116.39 is: 172,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,726.74 : 272,499.80 = 115,116.39 : x
  2. Step 2: Convert to fraction form
    181,726.74/272,499.80 = 115,116.39/x
  3. Step 3: Cross multiply
    181,726.74x = 272,499.80 × 115,116.39
  4. Step 4: Simplify right side
    181,726.74x = 31,369,192,676.14
  5. Step 5: Solve for x
    x = 31,369,192,676.14/181,726.74
  6. Step 6: Final answer
    x = 172,617.37

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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.