Home / 91,255.64-136,770.44-51,692.82

Finding the Fourth Proportional to 91,255.64, 136,770.44 and 51,692.82

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Solution

The fourth proportional to 91,255.64, 136,770.44 and 51,692.82 is: 77,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,255.64 : 136,770.44 = 51,692.82 : x
  2. Step 2: Convert to fraction form
    91,255.64/136,770.44 = 51,692.82/x
  3. Step 3: Cross multiply
    91,255.64x = 136,770.44 × 51,692.82
  4. Step 4: Simplify right side
    91,255.64x = 7,070,049,736.24
  5. Step 5: Solve for x
    x = 7,070,049,736.24/91,255.64
  6. Step 6: Final answer
    x = 77,475.21

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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.