Home / 181,539.80-272,309.70-131,384.60

Finding the Fourth Proportional to 181,539.80, 272,309.70 and 131,384.60

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Solution

The fourth proportional to 181,539.80, 272,309.70 and 131,384.60 is: 197,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,539.80 : 272,309.70 = 131,384.60 : x
  2. Step 2: Convert to fraction form
    181,539.80/272,309.70 = 131,384.60/x
  3. Step 3: Cross multiply
    181,539.80x = 272,309.70 × 131,384.60
  4. Step 4: Simplify right side
    181,539.80x = 35,777,301,010.62
  5. Step 5: Solve for x
    x = 35,777,301,010.62/181,539.80
  6. Step 6: Final answer
    x = 197,076.90

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1.5x scale

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.