Home / 181,630.09-272,455.37-55,274.45

Finding the Fourth Proportional to 181,630.09, 272,455.37 and 55,274.45

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Solution

The fourth proportional to 181,630.09, 272,455.37 and 55,274.45 is: 82,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,630.09 : 272,455.37 = 55,274.45 : x
  2. Step 2: Convert to fraction form
    181,630.09/272,455.37 = 55,274.45/x
  3. Step 3: Cross multiply
    181,630.09x = 272,455.37 × 55,274.45
  4. Step 4: Simplify right side
    181,630.09x = 15,059,820,726.30
  5. Step 5: Solve for x
    x = 15,059,820,726.30/181,630.09
  6. Step 6: Final answer
    x = 82,914.79

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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.