Home / 135,760.21-187,346.22-75,329.53

Finding the Fourth Proportional to 135,760.21, 187,346.22 and 75,329.53

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Solution

The fourth proportional to 135,760.21, 187,346.22 and 75,329.53 is: 103,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,760.21 : 187,346.22 = 75,329.53 : x
  2. Step 2: Convert to fraction form
    135,760.21/187,346.22 = 75,329.53/x
  3. Step 3: Cross multiply
    135,760.21x = 187,346.22 × 75,329.53
  4. Step 4: Simplify right side
    135,760.21x = 14,112,702,699.88
  5. Step 5: Solve for x
    x = 14,112,702,699.88/135,760.21
  6. Step 6: Final answer
    x = 103,953.16

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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.