Home / 276,932.60-415,365.96-89,943.92

Finding the Fourth Proportional to 276,932.60, 415,365.96 and 89,943.92

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Solution

The fourth proportional to 276,932.60, 415,365.96 and 89,943.92 is: 134,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,932.60 : 415,365.96 = 89,943.92 : x
  2. Step 2: Convert to fraction form
    276,932.60/415,365.96 = 89,943.92/x
  3. Step 3: Cross multiply
    276,932.60x = 415,365.96 × 89,943.92
  4. Step 4: Simplify right side
    276,932.60x = 37,359,642,676.96
  5. Step 5: Solve for x
    x = 37,359,642,676.96/276,932.60
  6. Step 6: Final answer
    x = 134,905.18

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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.