Home / 181,560.40-272,632.20-137,237.20

Finding the Fourth Proportional to 181,560.40, 272,632.20 and 137,237.20

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Solution

The fourth proportional to 181,560.40, 272,632.20 and 137,237.20 is: 206,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,560.40 : 272,632.20 = 137,237.20 : x
  2. Step 2: Convert to fraction form
    181,560.40/272,632.20 = 137,237.20/x
  3. Step 3: Cross multiply
    181,560.40x = 272,632.20 × 137,237.20
  4. Step 4: Simplify right side
    181,560.40x = 37,415,279,757.84
  5. Step 5: Solve for x
    x = 37,415,279,757.84/181,560.40
  6. Step 6: Final answer
    x = 206,076.21

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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.