Home / 181,788.40-272,415.30-131,973.40

Finding the Fourth Proportional to 181,788.40, 272,415.30 and 131,973.40

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Solution

The fourth proportional to 181,788.40, 272,415.30 and 131,973.40 is: 197,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,788.40 : 272,415.30 = 131,973.40 : x
  2. Step 2: Convert to fraction form
    181,788.40/272,415.30 = 131,973.40/x
  3. Step 3: Cross multiply
    181,788.40x = 272,415.30 × 131,973.40
  4. Step 4: Simplify right side
    181,788.40x = 35,951,573,353.02
  5. Step 5: Solve for x
    x = 35,951,573,353.02/181,788.40
  6. Step 6: Final answer
    x = 197,766.05

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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.