Home / 91,286.82-136,937.45-32,135.76

Finding the Fourth Proportional to 91,286.82, 136,937.45 and 32,135.76

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Solution

The fourth proportional to 91,286.82, 136,937.45 and 32,135.76 is: 48,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,286.82 : 136,937.45 = 32,135.76 : x
  2. Step 2: Convert to fraction form
    91,286.82/136,937.45 = 32,135.76/x
  3. Step 3: Cross multiply
    91,286.82x = 136,937.45 × 32,135.76
  4. Step 4: Simplify right side
    91,286.82x = 4,400,589,108.55
  5. Step 5: Solve for x
    x = 4,400,589,108.55/91,286.82
  6. Step 6: Final answer
    x = 48,206.18

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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.