Home / 129,126.48-193,684.44-35,629.84

Finding the Fourth Proportional to 129,126.48, 193,684.44 and 35,629.84

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Solution

The fourth proportional to 129,126.48, 193,684.44 and 35,629.84 is: 53,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,126.48 : 193,684.44 = 35,629.84 : x
  2. Step 2: Convert to fraction form
    129,126.48/193,684.44 = 35,629.84/x
  3. Step 3: Cross multiply
    129,126.48x = 193,684.44 × 35,629.84
  4. Step 4: Simplify right side
    129,126.48x = 6,900,945,607.69
  5. Step 5: Solve for x
    x = 6,900,945,607.69/129,126.48
  6. Step 6: Final answer
    x = 53,443.30

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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.