Home / 276,759.84-415,198.06-89,756.76

Finding the Fourth Proportional to 276,759.84, 415,198.06 and 89,756.76

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Solution

The fourth proportional to 276,759.84, 415,198.06 and 89,756.76 is: 134,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,759.84 : 415,198.06 = 89,756.76 : x
  2. Step 2: Convert to fraction form
    276,759.84/415,198.06 = 89,756.76/x
  3. Step 3: Cross multiply
    276,759.84x = 415,198.06 × 89,756.76
  4. Step 4: Simplify right side
    276,759.84x = 37,266,832,623.89
  5. Step 5: Solve for x
    x = 37,266,832,623.89/276,759.84
  6. Step 6: Final answer
    x = 134,654.05

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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.