Home / 135,903.24-187,551.20-75,474.88

Finding the Fourth Proportional to 135,903.24, 187,551.20 and 75,474.88

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Solution

The fourth proportional to 135,903.24, 187,551.20 and 75,474.88 is: 104,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,903.24 : 187,551.20 = 75,474.88 : x
  2. Step 2: Convert to fraction form
    135,903.24/187,551.20 = 75,474.88/x
  3. Step 3: Cross multiply
    135,903.24x = 187,551.20 × 75,474.88
  4. Step 4: Simplify right side
    135,903.24x = 14,155,404,313.86
  5. Step 5: Solve for x
    x = 14,155,404,313.86/135,903.24
  6. Step 6: Final answer
    x = 104,157.96

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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.