Home / 181,539.40-272,309.10-110,680.60

Finding the Fourth Proportional to 181,539.40, 272,309.10 and 110,680.60

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Solution

The fourth proportional to 181,539.40, 272,309.10 and 110,680.60 is: 166,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,539.40 : 272,309.10 = 110,680.60 : x
  2. Step 2: Convert to fraction form
    181,539.40/272,309.10 = 110,680.60/x
  3. Step 3: Cross multiply
    181,539.40x = 272,309.10 × 110,680.60
  4. Step 4: Simplify right side
    181,539.40x = 30,139,334,573.46
  5. Step 5: Solve for x
    x = 30,139,334,573.46/181,539.40
  6. Step 6: Final answer
    x = 166,020.90

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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.