Home / 181,738.49-251,009.08-121,203.93

Finding the Fourth Proportional to 181,738.49, 251,009.08 and 121,203.93

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Solution

The fourth proportional to 181,738.49, 251,009.08 and 121,203.93 is: 167,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,738.49 : 251,009.08 = 121,203.93 : x
  2. Step 2: Convert to fraction form
    181,738.49/251,009.08 = 121,203.93/x
  3. Step 3: Cross multiply
    181,738.49x = 251,009.08 × 121,203.93
  4. Step 4: Simplify right side
    181,738.49x = 30,423,286,188.03
  5. Step 5: Solve for x
    x = 30,423,286,188.03/181,738.49
  6. Step 6: Final answer
    x = 167,401.44

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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.