Home / 91,286.70-136,896.84-35,097.90

Finding the Fourth Proportional to 91,286.70, 136,896.84 and 35,097.90

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Solution

The fourth proportional to 91,286.70, 136,896.84 and 35,097.90 is: 52,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,286.70 : 136,896.84 = 35,097.90 : x
  2. Step 2: Convert to fraction form
    91,286.70/136,896.84 = 35,097.90/x
  3. Step 3: Cross multiply
    91,286.70x = 136,896.84 × 35,097.90
  4. Step 4: Simplify right side
    91,286.70x = 4,804,791,600.64
  5. Step 5: Solve for x
    x = 4,804,791,600.64/91,286.70
  6. Step 6: Final answer
    x = 52,634.08

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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.