Home / 181,719.33-272,295.60-115,018.56

Finding the Fourth Proportional to 181,719.33, 272,295.60 and 115,018.56

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Solution

The fourth proportional to 181,719.33, 272,295.60 and 115,018.56 is: 172,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,719.33 : 272,295.60 = 115,018.56 : x
  2. Step 2: Convert to fraction form
    181,719.33/272,295.60 = 115,018.56/x
  3. Step 3: Cross multiply
    181,719.33x = 272,295.60 × 115,018.56
  4. Step 4: Simplify right side
    181,719.33x = 31,319,047,806.34
  5. Step 5: Solve for x
    x = 31,319,047,806.34/181,719.33
  6. Step 6: Final answer
    x = 172,348.47

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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.