Home / 181,744.49-251,017.37-121,209.93

Finding the Fourth Proportional to 181,744.49, 251,017.37 and 121,209.93

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Solution

The fourth proportional to 181,744.49, 251,017.37 and 121,209.93 is: 167,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,744.49 : 251,017.37 = 121,209.93 : x
  2. Step 2: Convert to fraction form
    181,744.49/251,017.37 = 121,209.93/x
  3. Step 3: Cross multiply
    181,744.49x = 251,017.37 × 121,209.93
  4. Step 4: Simplify right side
    181,744.49x = 30,425,797,240.43
  5. Step 5: Solve for x
    x = 30,425,797,240.43/181,744.49
  6. Step 6: Final answer
    x = 167,409.74

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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.