Home / 135,667.44-187,205.76-75,236.40

Finding the Fourth Proportional to 135,667.44, 187,205.76 and 75,236.40

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Solution

The fourth proportional to 135,667.44, 187,205.76 and 75,236.40 is: 103,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,667.44 : 187,205.76 = 75,236.40 : x
  2. Step 2: Convert to fraction form
    135,667.44/187,205.76 = 75,236.40/x
  3. Step 3: Cross multiply
    135,667.44x = 187,205.76 × 75,236.40
  4. Step 4: Simplify right side
    135,667.44x = 14,084,687,441.66
  5. Step 5: Solve for x
    x = 14,084,687,441.66/135,667.44
  6. Step 6: Final answer
    x = 103,817.74

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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.