Home / 135,996.70-187,597.28-84,920.76

Finding the Fourth Proportional to 135,996.70, 187,597.28 and 84,920.76

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Solution

The fourth proportional to 135,996.70, 187,597.28 and 84,920.76 is: 117,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,996.70 : 187,597.28 = 84,920.76 : x
  2. Step 2: Convert to fraction form
    135,996.70/187,597.28 = 84,920.76/x
  3. Step 3: Cross multiply
    135,996.70x = 187,597.28 × 84,920.76
  4. Step 4: Simplify right side
    135,996.70x = 15,930,903,591.53
  5. Step 5: Solve for x
    x = 15,930,903,591.53/135,996.70
  6. Step 6: Final answer
    x = 117,141.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.