Home / 134,699.48-185,930.31-80,268.72

Finding the Fourth Proportional to 134,699.48, 185,930.31 and 80,268.72

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Solution

The fourth proportional to 134,699.48, 185,930.31 and 80,268.72 is: 110,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,699.48 : 185,930.31 = 80,268.72 : x
  2. Step 2: Convert to fraction form
    134,699.48/185,930.31 = 80,268.72/x
  3. Step 3: Cross multiply
    134,699.48x = 185,930.31 × 80,268.72
  4. Step 4: Simplify right side
    134,699.48x = 14,924,387,992.90
  5. Step 5: Solve for x
    x = 14,924,387,992.90/134,699.48
  6. Step 6: Final answer
    x = 110,797.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.