Home / 181,981.25-251,062.52-121,591.34

Finding the Fourth Proportional to 181,981.25, 251,062.52 and 121,591.34

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Solution

The fourth proportional to 181,981.25, 251,062.52 and 121,591.34 is: 167,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,981.25 : 251,062.52 = 121,591.34 : x
  2. Step 2: Convert to fraction form
    181,981.25/251,062.52 = 121,591.34/x
  3. Step 3: Cross multiply
    181,981.25x = 251,062.52 × 121,591.34
  4. Step 4: Simplify right side
    181,981.25x = 30,527,028,230.58
  5. Step 5: Solve for x
    x = 30,527,028,230.58/181,981.25
  6. Step 6: Final answer
    x = 167,748.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.